Month:

August 2019

Scientists Develop First ChipScale Thermoelectric Cooler

first_img(PhysOrg.com) — As computer chips become more powerful, they also become hotter. Nearly all the power that flows into a chip comes out of it as waste heat, and that heat hurts the performance of the chip. Methods for cooling transistors have always been an important part of the semiconductor industry, but recently researchers have been coming up with more clever strategies for keeping computer chips cool. One such strategy is the use of a chip-scale thermoelectric cooler, which has been demonstrated for the first time by a collaboration of researchers from Intel, Arizona State University in Tempe, RTI International, and Nextreme Thermal Solutions.In a recent study published in Nature Nanotechnology, the researchers presented the thermoelectric “chiller” embedded in a chip package that pumps heat out of the chip when current flows through it. The chiller could lower the temperature of a small hot spot on a large chip by nearly 15°C – exceeding the significant 10°C goal that was described in an analysis by researchers at the University of Maryland five years ago.One key to the device’s performance was that the researchers focused on cooling only the hottest spots on a chip, which has previously been shown to be a more energy-efficient strategy than trying to cool the entire chip. Another key is that the researchers fabricated the device out of nanoscale layers of material, which has previously been shown to increase efficiency.The thermoelectric cooler consists of a superlattice structure made of bismuth, tellurium, antimony, and selenium. The structure pumps heat from the back side of the chip to a conventional heat spreader on the front side, which uses convection to transfer the heat and cool the chip.In experiments, the researchers created a hot spot on the chip (with a heat flux of about 1300 W/cm2, which is much higher than usually found on a microprocessor). Even before powering the thermoelectric superlattice structure, the chiller could decrease the temperature of the hot spot by about 6°C. After powering the thermoelectric cooler, the temperature of the hot spot cooled by nearly 15°C.The researchers explained that the thermoelectric technique could provide cooling solutions for computers in future data centers, in which cooling hot spots on processors will be critical for good performance. Transistors run faster when they’re cooler, and also last longer because extreme temperature changes cause mechanical stress on computer chips that can destroy them. Thermoelectric strategies might also help cool the chips in portable devices, such as multitasking smart phones, which run data-intensive processing.As co-author Ravi Prasher of Intel explained, packaging a nanoscale device within a macroscale system is a significant achievement. However, the team still needs to do more work before commercializing the device.More information: Chowdhury, Ihtesham, et al. “On-chip cooling by superlattice-based thin-film thermoelectrics.” Nature Nanotechnology. Published online: 25 January 2009 | doi:10.1038/nnano.2008.417.via: IEEE Spectrum© 2009 PhysOrg.com Explore further On-Chip Silicon ‘Microcoolers’ for Microprocessor Hot Spotscenter_img Citation: Scientists Develop First Chip-Scale Thermoelectric Cooler (2009, February 2) retrieved 18 August 2019 from https://phys.org/news/2009-02-scientists-chip-scale-thermoelectric-cooler.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Crawling breathing fish on a course to invade Australia

first_imgAnabas scandens, = Anabas testudineus (Bloch, 1792). Credit: public domain Anabas testudineus Over the past forty years, the fish has slowly made its way to Indonesia, and then Papua New Guinea—more recently some have been spotted on two Australian islands, the Torres Strait islands of Boigu and Saibai, just 160K from the Australian mainland. Marine biologists are worried that the fish will take over habitat now being occupied by other species because it has so many survival capabilities. The fish can crawl on land using its sharp, spiny, gill covers, breathe air with its mammal-like lungs, and has been seen able to survive up to six days without any water at all. It also has been seen to puff itself up somehow after being swallowed by other fish or birds, sticking in the throat and causing either starvation or suffocation. As if all that were not enough, researchers have also found instances of the freshwater fish being able to live in near sea level saltwater, and, it has been discovered that the fish can hibernate in mud for up to six months. All these attributes make it relatively easy for the fish to survive in practically any environment, and that is what it has been doing as it has slowly moved south, overwhelming native fish populations. Marine biologist are worried that if the fish makes it to the mainland, it will make its way into watering holes and other waterways, simply by crawling to them and causing what some have described as a major disaster for native fish, turtles and birds.Despite its superfish characteristics, the fish cannot swim to Australia—to get there it will likely have to hitch a ride on the bottom of a boat or be tossed overboard by fishermen. For that reason, environmentalists are giving fishermen and boaters information about the fish and are being encouraged to help prevent its spread to Australian shores. Meanwhile, biologists are capturing specimens and studying them in a lab to learn more about both their strengths and weaknesses, hoping to find a way to either prevent them from coming to the mainland, or to eradicate them if they succeed. Australian marine biologists are worried that a species of perch native to Southeast Asia (the climbing perch, aka Anabas testudineus), will soon make its way onto the Australian mainland in the near future, putting native species of other fish and some birds at risk. Explore further © 2015 Phys.org Fish found in suspected tsunami debris boat quarantined Citation: Crawling, breathing fish on a course to invade Australia (2015, June 5) retrieved 18 August 2019 from https://phys.org/news/2015-06-fish-invade-australia.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Making miniature mazes by wrinkling surface of tiny particles

first_img Journal information: Science Advances © 2017 Phys.org (Phys.org)—A team of researchers with members from several institutions in South Korea has developed a means for creating organized yet random mazes on tiny particles. In their paper published on the open access site Science Advances, the group describes their technique and possible uses for such tiny mazes. Citation: Making miniature mazes by wrinkling surface of tiny particles (2017, July 3) retrieved 18 August 2019 from https://phys.org/news/2017-07-miniature-mazes-wrinkling-surface-tiny.html How to escape a maze – according to maths Demonstration of various physical mazes. Credit: Bae et al., Sci. Adv. 2017;3: e1700071 Play Generation of the guided wrinkles. Credit: Bae et al., Sci. Adv. 2017;3: e1700071 center_img As the researchers note, prior efforts have been made by different teams to create tiny mazes by taking advantage of wrinkling, but until now, there was no order to the resulting mazes, which meant there was little practical use for them. In this new effort, the researchers have found a self-organized way to construct maze-like microstructures that are periodic and ordered but which also have a degree of randomness to them.To make their mazes, the team used ultraviolet light to etch patterns on a given microparticle—photomasks (tiny plates with holes or slits to allow light to pass through in a pattern) were used to create specific etched patterns. The design on the particle was then coated with silica. As the silica dried, the surface wrinkled naturally, creating ridges that became parts of the maze—bends, for example, or endings, straight lines or splits. The use of the photomasks to create designs on the particles prior to shining the ultraviolet light allowed for controlling the way the parts of the maze arose as the silica wrinkled. The technique also allowed for customizing the overall look of the maze, resulting in perpendicular-shaped, hexagonal or even ring-shaped mazes. The team reports that they were even able to make one maze that had the capital letter N at its center.The team notes that the mazes could be made without blueprints and that they could be given unique features by adjusting the photomasks, making them ideal candidates to serve as security features. The tiny mazes could serve as what the team calls “physical unclonable functions” offering a physical way to undergird an encryption system with an ID-creating technique baked right into a system, making it virtually impossible for a hacker to gain access. PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen More information: Hyung Jong Bae et al. Self-organization of maze-like structures via guided wrinkling, Science Advances (2017). DOI: 10.1126/sciadv.1700071AbstractSophisticated three-dimensional (3D) structures found in nature are self-organized by bottom-up natural processes. To artificially construct these complex systems, various bottom-up fabrication methods, designed to transform 2D structures into 3D structures, have been developed as alternatives to conventional top-down lithography processes. We present a different self-organization approach, where we construct microstructures with periodic and ordered, but with random architecture, like mazes. For this purpose, we transformed planar surfaces using wrinkling to directly use randomly generated ridges as maze walls. Highly regular maze structures, consisting of several tessellations with customized designs, were fabricated by precisely controlling wrinkling with the ridge-guiding structure, analogous to the creases in origami. The method presented here could have widespread applications in various material systems with multiple length scales. Explore further This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

PIO visa Modi hopes for impetus to development

first_imgHe said the Home Ministry is working on the new programme that will merge PIO and Overseas Citizenship of India schemes and that instructions have been issued to Embassies and Consulates that apart from special circumstances, US nationals should get visas for 10 years.‘Am very glad to share that GoI (government of India) has moved swiftly on the announcements I had made on consular and visa issues during my USA visit,’ Modi tweeted.He noted that a gazette notification was issued on 30 September, two days after his announcement, which said that all PIO cards are valid for lifetime of cardholders. Earlier it was 15 years.‘The gazette notification on 30 September fulfils the announcement that all PIO cardholders will now enjoy a life- long visa to India,’ the Prime Minister said.The notification also says that PIO card holders would not have to report to police stations, even if their visit exceeds 180 days, he said in another tweet.‘Instructions have been issued to embassies and consulates that apart from special circumstances, USA nationals should get visas for 10 years,’ Modi added. Systems are in place to introduce visa on arrival for US tourists in October itself, a PMO statement said.‘Am sure these efforts will further strengthen our bond with the diaspora and give an impetus to our development journey,’ Modi said in one more tweet. He had made the announcements during an address in New York on 28 September.last_img read more

All stations under SER to be fitted with LED lights

first_imgKolkata: South Eastern Railway (SER) has achieved yet another milestone in the field of energy conservation as well as revenue savings, with all its 365 stations being fitted with 100 percent LED lights.”This line of energy conservation measures adopted in SER and the 100 percent LED provision in all SER stations, has been completed as per the Budget commitment of Railway minister. This massive task has been completed by March 30 this year,” a senior SER official said. Also Read – Heavy rain hits traffic, flightsThe official added that fitting of the LED lights has reduced the connected load of the stations by 542 KW. “As a result, there would be reduction in electricity consumption of 2.17 million units on a yearly basis. This reduction would lead to monetary savings of Rs.1.52 crore per annum,” the official added.LEDs are currently the most energy efficient source of electric light, in comparison to incandescent, fluorescent, meta-halide or mercury lamps, within the luminous efficiency of 80-90 percent for traditional lighting. This means that 80 percent of the energy supplied to the device is converted to light, while 20 percent is lost and converted into heat.It may be mentioned that SER has already started using LED lights in some passenger coaches and aims to provide such energy efficient lighting in all railway coaches/EMU trains, as well as residential quarters and offices.last_img read more

Dance and the elegance

first_imgIn her recent performance at Andhra Bhawan on February 23, Sharanya Chandran, brought together her life’s enriched learnings and experiences on to the stage. It brought together her instruction under none other than her distinguished mother Padmashri Geeta Chandran, but also her prestigious role of ‘Global Shaper’, an initiative of the World Economic Forum. The performance showcases the strength, vigour and grace of the Thanvjavoor style that she learnt from her Guru and Mother (Padmashri) Geeta Chandran. Also Read – ‘Playing Jojo was emotionally exhausting’Sharanya has been learning Bharatanatyam since age four. She presented her formal solo debut performance, the Arangetram at the age of 13.  Sharanya is the Vice President and a senior dancer and choreographer of the Natya Vriksha.She is empanelled with the Indian Council for Cultural Relations (ICCR) as a solo artiste and is nationally graded by Doordarshan, having performed in the presence of diverse audiences in India and overseas on several prestigious festivals and forums – both as a soloist and in group choreographies, as part of the Natya Vriksha Dance Company.  Most recently, Sharanya was part of the classical dance presentation hosted by the President of India, Pranab Mukherjee at Rashtrapati Bhavan in honour of visiting US President Barrack Obama.Her international performance includes Incredible India @ 60 festival at the Lincoln Centre in New York; the Thai Cultural Festival at the Thai Cultural Centre, Bangkok; to Celebration of the 60th anniversary of the Indian Republic under the auspices of the Indian High Commission at Queen Elizabeth Hall, London; the 8th World Hindi Conference in New York and solo dance recital at the Nehru Centre (London).last_img read more

CESC takes measures to prevent electrical fire incidents in city

first_imgKolkata: CESC has taken elaborate measures to prevent electrical fire incidents in the city. From May 1 to 22 May, a number of electrical fire incidents in different areas were reported. CESC engineers had addressed these emergencies at the shortest possible time and disconnected the supply wherever necessary as a measure of safety and restored power connection at the first possible opportunity.Avijit Ghosh, vice-president – CESC Distribution Services said: “We do feel that prompt response from CESC serving 3.2 million consumers across 567 sqkm licensed area makes our city a safer place, if all safety rules are observed strictly. CESC has recently begun a series of safety meetings in different areas and are explaining to citizens that just by following some elementary rules, Kolkata can indeed become a safer place from the point of view of electricity hazards. A safety handbook has been compiled for users and is available in all CESC regional offices. It may be mentioned that an electrical fire had taken place on ISI campus sometime ago. However, it was brought under control due to timely intervention of CESC engineers.last_img read more

Walls of wonder

first_imgInspired by internationally-known Kashmiri artist Masood Hussain, a group of students are painting murals on the walls of Srinagar to bring alive the region’s culture and splash colours on the local environment.“Hussain is our friend, philosopher and guide in this small effort,” said Sofi Suhail, who is part of the spreading cheer on the International Airport Road.For the first time in Kashmir, the otherwise shabby-looking walls are attracting onlookers because of these murals – and reviving the Valley’s rich culture and traditions that are fast fading amid the glitz of modern-day lifestyle. Also Read – ‘Playing Jojo was emotionally exhausting’To begin with, the Srinagar Municipal Corporation (SMC) has started a pilot mural painting project in uptown Srinagar.“We want youth to know about their history, culture and past traditions through this public art. We got in touch with some well-known artists and started the work,” told SMC Commissioner Tufail Matoo.This brought Masood Hussain into the project as its superviser.“What inspired me to accept this was a desire to create some space for creative work here. These murals are a small step in beautifying and making Kashmir presentable,” said Hussain. Also Read – Leslie doing new comedy special with NetflixHussain roped in a group of six fine arts students from Kashmir University and they have so far, in 15 days, completed three murals at uptown Srinagar’s busy Hyderpora flyover square. Work on the fourth is now under way.“We are very excited about this as it is the first time such an activity is happening here. Not only are we enjoying this work but in the process, we are also learning about our culture and past traditions,” Suhail noted.“We had to start somewhere, but after discussing it in detail, we chose this place as the road from Srinagar airport leads to this square. It is a relatively better place with good roads so it will surely please tourists and locals alike,” Hussain said. The students say the public’s response has been positive.“We work here from morning till evening and nearly 400-500 people stop here every day to see these murals. They ask us about them and appreciate our work. It feels good and has encouraged us,” another art student, Bushra Mir, said.Apart from displaying Kashmir’s rural life and age-old traditions, the murals, students say, aim to attract talent in Kashmir.“Through these murals we also want other students to get inspired to opt for fine arts as a career so that this genre is taken forward by people who are passionate about it,” Saqib Bhat, who is part of the group, noted.The group has also identified some other spots along the airport road where it intends to paint more murals in the future.“We want to create a sample which can be replicated or done better at other places. But apart from such paintings, the authorities also need to focus on environmental designs. Painting a wall is okay, but what about its surroundings? We need to creatively facelift the surroundings,” Hussain said.“We need to educate ourselves as a society about our past and do things which create an interest among the people,” he added.About reports that the murals are intended to erase the separatists’ graffiti that exists on Srinagar’s walls, the students say their work is ‘purely non-political’.“We don’t want to be in any controversy. We are students and our work has nothing to do with any kind of politics,” Bushra Mir, another member of the group, commented.“We are very choosy about selecting a spot to paint murals. It is a mutual decision of SMC, Masood Hussain sahib, and ours,” said Saqib.The public support to such a pioneering effort in Kashmir has encouraged the group.They now look forward to painting the entire city with tradition and culture – and the good news is that there are takers for this artistic effort.“For a while, one feels as if it is not the same city where shabby walls offended passers-by. Let the march of murals continue,” noted Nazir Ahmad, 47, who has a shop in the Hyderpora area and also lives there.last_img read more

Finance dept looks to put leash on unnecessary expenditure

first_imgKolkata: The state Finance department has directed a number of state departments to seek its prior approval when it comes to spending over Rs 10 lakh on construction of office buildings and redesigning the interiors. The move is a part of Chief Minister Mamata Banerjee’s call for austerity drive in administrative affairs.”We have found out that in a number of cases, departments spend huge amounts on decorating the chambers of ministers and departmental heads. At times, when a minister is replaced by another minister who takes charge of the department, the latter asks for a complete renovation of the interiors. This turns out to be a costly affair for the concerned department. The Finance department wants to put a leash on this expenditure,” a senior official of the state secretariat Nabanna said. Also Read – Rain batters Kolkata, cripples normal lifeThere has also been instances when departments have spent exorbitantly while constructing guest houses, new office buildings etc. According to a senior official in the state Finance department, the state government is in favour of undertaking such expenditures within Rs 10 lakh. It has asked departments to seek permission from the Finance department before spending more than the stipulated amount.In a notification issued by the state finance department, it has stated: “For incurring such expenditure, prior approval of the Finance department should be obtained. Administrative departments shall also send the proposals to the finance department for approval of projects as stated above, for which the tender has already been floated or work order has been issued after April 1, 2017; but work is in progress till date”. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedPresently, the heads of some departments, namely the Public Works Department, Urban Development & Municipal Affairs, Panchayats & Rural Development, Health & Family Welfare, Irrigation & Waterways, Water Resources Investigation & Development and Public Health Engineering & housing approve projects amounting upto Rs 20 crore.The rest of the departments can approve projects worth upto Rs 10 crore within the budgetary allocation with concurrence of financial advisers.last_img read more

EC releases CVigil app for recording violations during 2019 LS polls

first_imgKolkata: The Election Commission of India (ECI) has introduced a number of mobile applications for conducting the forthcoming Lok Sabha elections in a better way and also to provide the voters with a digitised platform to register any violation related to the Model Code of Conduct (MCC) or any incident of intimidation or inducement.For the first time, the ECI is going to use ‘C-Vigil’ — an Android-based mobile application where the voters or citizens can directly bring to the notice of the election officials incidents of MCC violation, expenditure violation. People no longer need to go to the offices of the Returning Officers if they witness any immoral activities involving the candidates or any other political leaders. Also Read – Bose & Gandhi: More similar than apart, says Sugata BoseSanjay Basu, additional CEO, said that ‘C-Vigil’ app will soon be made operational where various sorts of election-related malpractices can be uploaded by the voters. If an ordinary citizen from any part of the state witnesses an incident of intimidation or inducement, he/she can upload photos or videos on his mobile application from the spot without any delay. If the complainant desires to remain anonymous, he/she will have an option to do so. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: Mamata’C-Vigil’ is a simple and user-friendly mobile app which will provide time-stamped evidentiary proof of MCC or expenditure violation. The auto-location system that is already installed on the mobile app will help the election officials to mobilise flying squads to the spot. The district control rooms will allocate the app-based related cases to the flying squads through GIS-based platform. For voters having issues in checking their names in the electoral roll, online forms need to be submitted. They can even check the status of their application and can take help from ‘Voter Helpline’ mobile app. If anyone files a complaint, he/she will automatically receive a reply on the mobile app. This application will contain important instructions related to the elections and a voter awareness module. The voters can even download the application from Google Play Store. Another mobile application called ‘PwD App’ (Persons with Disabilities) will be of immense help for the disabled who can request for new registration, change in address, change in particulars and mark themselves as persons with disabilities through the use of the mobile application. The disabled candidates need to enter their contact details and the booth-level officers will be assigned to provide doorstep facility. Such voters can also make a request for a wheelchair during the polling process by using this mobile app. The application is already available with Google Play store. Contesting candidates can track the status of their nominations, status of their permission requests by using ‘Suvidha Candidate App’. The candidates can register with the app by using their mobile phone numbers and will be able to keep track of their applications.last_img read more

CPIM promotes Adhir over RSP candidate

first_imgKolkata: In a shameless bid to boss over its allies, CPI(M) is openly asking people to vote for Congress candidate and sitting MP Adhir Chowdhury from Berhampore, against RSP contender Id Mohammad.The meetings between Left Front chairman Biman Bose and RSP state secretary Kshiti Goswami have failed as the former refused to accept the latter’s proposal that it would field a candidate in a seat which is RSP’s stronghold. The Alimuddin Street bosses gave instructions to leaders in Berhampore to openly back Chowdhury. The poll alliance between CPI(M) and Congress did not work out as the former refused to withdraw its candidates from the Raiganj and Murshidabad seats, from where party nominees got elected in the 2014 Lok Sabha polls. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataMohammad Salim won from Raiganj by 1,634 votes, while Badaruddoza Khan was elected from Murshidabad by over 1,800 votes. Both Congress and Left Front have nominated candidates in 40 seats. Berhampore has always been a stronghold for RSP since independence. Tridib Chaudhuri was elected seven times from 1952, when the first general election was held. Atish Sinha of Congress was elected from the seat in 1984 following the Rajiv Gandhi wave. State ministers of the Left regime Nani Bhattacharya (Health) and Debabrata Bandyopadhyay (Irrigation & Waterways) were undisputed leaders of RSP in Murshidabad. Interestingly, Adhir Chowdhury had also started his political career from the mid 1970s as an RSP worker. Also Read – Lightning kills 8, injures 16 in stateId Mohammad said that he is campaigning and projecting himself as a Left Front candidate. When asked whether this was causing any confusion among the voters, he said: “People of Berhampore know me. They are also aware of the secret alliance between CPI(M) and Congress.” The clandestine alliance between CPI(M) and Congress once again proves Trinamool supremo Mamata Banerjee’s allegation that there has always been a secret deal between Congress, CPI(M) and BJP to stall TMC’s prospects in the Lok Sabha elections. She has often been heard saying: “A Congress worker does Congress in the morning, CPI(M) in the afternoon and BJP in the evening.” In recent political rallies, she has always asked the people not to vote for Congress, CPI(M) and BJP, as they will not be able to make any impact in Delhi in the elections. A political expert said that what CPI(M) did against RSP reflects that the relationship among the Front partners has hit rock bottom. “Such open backing of a Congress candidate by CPI(M) against the Front candidate is unprecedented in Lok Sabha elections. This indicates that the disintegration in Left Front is not a far-fetched thing anymore,” he added.last_img read more

Elderly womans body found in decomposed state

first_imgKolkata: A decomposed body of an elderly woman was found inside her house on Sunday afternoon.Police went to the spot after getting information that a foul smell was coming from the house. According to sources, since Sunday morning, residents of Rakhal Mukherjee Road in Sarsuna experienced foul smell coming out of the house at 1/1A, Rakhal Mukherjee Road, which belonged to Rabindranath Chatterjee. As they didn’t get any response from the occupants of the house, neighbours called up the police control room in Lalbazar. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataAfter a few minutes, police personnel from Sarsuna police station went to the house and saw the elderly woman identified as Chaya Chatterjee (82) was lying dead.The body had already decomposed. Later, the police sent the body for autopsy. Local sources informed that during the month of February this year, Chhaya and Rabindranath’s son Dipanjan died under mysterious circumstances. His decomposed body was recovered by police at the time. Local residents claimed that the members of Chatterjee family were under depression. On Sunday when the police questioned Chhaya’s daughter to know how the elderly woman died, her daughter reportedly told the cops that Chhaya was alive. It is suspected that Chhaya had died at least two-three days ago. Sleuths are waiting for the autopsy report to know the exact cause of death.last_img read more

KMC to begin recruitment drive in various depts

first_imgKolkata: The Kolkata Municipal Corporation (KMC) will recruit employees in different departments to provide better services, Mayor Firhad Hakim said on Wednesday.Hakim said some junior assistants will join the KMC soon followed by sub-overseers and engineers. The KMC has already sent a requisition to the state government regarding this. “Today a delegation of DYFI members met me and wanted to know about the recruitment of new employees. I told them that they should ask the Left Front Mayors Prasanta Chatterjee and Bikas Ranjan Bhattacharya as to why did they not go for major recruitment drive. There was some recruitment during the time of Subrata Mukherjee. To recruit employees, certain norms are to be maintained and it takes some time. We are likely to recruit new employees by October-November,” he added. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataHakim attended the fourth edition of “Talk to Mayor” on Wednesday. He received a complaint that trade license had been issued in the name of a dead person. The KMC initiated an inquiry and show-cause notices will be issued against those who are found guilty. The civic authorities have decided to present saplings replacing flower bouquets that are given to the guests who come to attend functions organised by the civic authorities or visit the KMC to see the Mayor and other Mayor-in-Council members. “When we have decided to turn Kolkata into a clean and green city, we should take the initiative to plant saplings to conserve the environment,” he said. “Talk to Mayor” witnessed the fourth edition on Wednesday and has received tremendous response from the people who get to speak to the Mayor and their complaints get addressed within three days.last_img read more

Photo History of Ancient Drinking Horns from Around the World

first_imgDrinking horns were used in ancient times for consuming ale, milk, water, or mead. At first, the vessels were made from a horn of a bovid, and throughout the centuries various civilizations all over the world started to make them from wood, ceramics, glass, and even metal. According to historians, the horn’s history begins with the Scythians and Thracians. Other notable cultures that used them were the Romans, Greeks, and the Scandinavians. Drinking horns were part of the way of life of the Thracians, who made them from horn and wood. Because of the frequent use of the vessels, to drink from a horn among the Greeks was known as drinking “after the Thracian fashion.” The Scythians made them from horn and metal, and mostly they were designed for the best warriors or the kings.A drinking horn from the 16th century known as the Roordahuizum on display in the Frisian Museum at Leeuwarden.They called them rhyta and the most notable example can be seen at the Museum of Oriental Art in Moscow that dates back to the 5th century BC. Found in 1982, the vessel is made of gold and silver, and it is in the shape of the mythological stallion Pegasus. The oldest examples of rhytas were from the 7th century BC and were found in Scythian tombs.A drinking horn known as the Hochdorf found at the Hochdorf burial in Germany. Author: Chez Casver (Xuan Che). CC BY 2.0In Ancient Greece, the vessels were known as keras, and they often used them for drinking wine during celebrations of the wine god Dionysus. There are many depictions of the wine god in Greek art and in some of them he is drinking from a horn. On some of the Greek red-figure pottery, mostly produced in Attica, Dionysus and satyr figures were painted holding keras.Drinking horn, so-called Griffin’s Claw. Scandinavia or Northern Germany, 1st half of the 15th century. Horn and gilded silver. Now in the Kunsthistorisches Museum in Vienna.The Romans were known for fascinating items made from glass, and most of their drinking horns were made from it. The glass-made horn was a symbol of power in the Empire, and Romans mostly used them for drinking at feasts and important ceremonies. During the Migration Period, the Germanic tribes were inspired by the beautiful glass-made horn of the Romans.A drinking horn exhibited in the Nordiska Museum in Stockholm, Sweden.In the Viking Age, many of the horns were found in burial sites. From the Germanic Roman Age to the Viking Age, the horns were mostly buried in female graves together with other drinking equipment.One of the 20 pieces at the NTNU University’s Museum’s collections in Trondheim. Author: NTNU Vitenskapsmuseet. CC BY 2.0They were also included in the Anglo-Saxon epic Beowulf and the oldest poem of the cycle of poems about the legendary hero Sigurd known as Guðrúnarkviða II.Drinking Horns on display at the British MuseumSome fitting a description of drinking horns were found at the burial site near Woodbridge, Suffolk, known as Sutton Hoo and according to Thor News, there are preserved parts of almost 20 Viking horns in the NTNU University’s Museum’s collections in Trondheim.Highly decorated medieval drinking horn. Author: Bullenwächter. CC BY-SA 3.0They became popular in Medieval Europe in the 13th century after many pagan cultures converted to Christianity. The Christians used the drinking horns with enthusiasm, and in the 15th century, they became ceremonial drinking vessels. In medieval literature, the horns were mentioned in a Middle English chivalric Romance known as King Horn from the 13th century and in the Arthurian tale of King Caradoc. In the Early Modern period, they were still popular for ceremonial purposes.Read another story from us: Kottabos- The ancient Greek drinking gameThe famous author J.R.R. Tolkien mentioned them in his novels as drinking and blowing objects, and in the popular TV series Vikings the viewers can see the drinking horns being used.  They also appear in different shapes and style in many fantasy video games, for example, The World of Warcraft or Might & Magic.last_img read more

Miracle Mike – The Headless Chicken that became a Star

first_imgDid you know only a very small portion of a chicken’s brain is in the front part of its head? Most of it is located at the back of the bird’s skull, just behind their eyes, and this is the part of the brain that controls the most important functions that regulate a chicken’s body. If a chicken farmer is about to decapitate the head of these dinner-friendly birds, after that hatchet is swung, the bird usually dies within moments. On rare occasions, neurons are still able to shoot a command for the legs to move — so it can happen that, before finally succumbing to death, the animal will run for let’s say 15 minutes at most.But when a five-month-old rooster, today remembered as Miracle Mike the Headless Chicken, was laid on the chopping block, ready to become someone’s dinner, the chicken, surprisingly, survived. In fact, Miracle Mike went on to live for about a year and a half! Eventually, Mike became famous and brought a little fortune to his owners.Mike the Headless Chicken. Photo Credit:http://www.miketheheadlesschicken.org CC BY-SA 3.0The oddity itself occurred on September 10, 1945, to Lloyd and Clara Olsen who were farming chickens in Fruita, CO. That day, Lloyd Olsen removed the heads of dozens of chickens on his farm, while his spouse Clara was cleaning them. From the head-chopped bunch emerged Mike, unwilling to die.The Olsens left the chicken for the night, believing that it would eventually die, but to everyone’s surprise, the bird was there the next morning too. So, they decided to give this tough rooster a second chance at living.Two major responsibilities were shared on the family farm to keep the bird alive after its beheading day. One, to nourish Mike with a water and milk mixture placed directly into its throat. Second, clearing the throat of any mucus that accumulated. The Olsens used a dropper for the feeding and a syringe for the clearing.Photo Credit: Corey Balazowich/Flickr CC By 2.0The news of Miracle Mike traveled fast beyond the farm. After a story was published about him in a local newspaper, it took less than a month for Hope Wade to appear, a sideshow promoter who drove to see the Olsens and their miraculous rooster all the way from Salt Lake City, UT.Wade saw a lucrative opportunity in the bird. Mike could make money on the sideshow circuit, he believed. And he was right.The chicken was brought to Salt Lake City where it was first checked by scholars at the University of Utah. As the chicken appeared more than ready to live its second life, its story ended up in Life Magazine. One more story was issued in Time. A tour around the U.S. followed for Miracle Mike.Headless Mike. Photo by Cliff CC By 2.0Clara Olsen would document Mike’s journey in a scrapbook. And for the duration of the tour, the chicken traveled better than some people will in a lifetime. With the Olsens, Mike was taken to California, then Arizona. As the family needed a break to take care of other duties back at the farm, the chicken continued its tour without them, accompanied by Hope Wade.Mike reportedly earned his owners about $4,500 per month, while its value was pegged at $10,000. Miracle Mike was so famous that people even wrote letters to the Olsens because of the chicken.Mike, the Headless Chicken Was RealThen, it eventually happened: a tragic death in a motel room as the Olsens were accompanying Mike to Phoenix, Arizona. On the night of March 17, 1947, they were woken by the sound of their feathered money-machine choking. In the attempt to save Mike, nobody managed to find the syringe to clear his airway. The show was over.And the explanation for why Miracle Mike survived for 18 months? And also, why, though many people tried to replicate another Mike by beheading their chicken, this miracle would just not repeat itself over and over?It seems, in Mike’s case, the cut was made at just the right angle. The hatchet blow had removed Mike’s head, but a great deal of his brain mass was left untouched, including the brain stem which controls essential functions like regulating the heart and breathing.Metal sculpture Of Headless Mike in Fruita, Colorado. Photo by PRODavid Herrera Flickr CC By 2.0The fact that Mike didn’t bleed to death is what amazes experts. As Dr Tom Smulders from the Centre for Behaviour and Evolution at Newcastle University told the BBC, it is easier to explain why Mike’s body continued to function even without the head.Read another story from us: Thomas Edison, Nikola Tesla and the Sad Case of ‘Topsy’ the Circus ElephantIn his native Fruita, today Mike is remembered with a metal sculpture depicting his headless body. The town even hosts an annual Headless Chicken day each May, in honor of Miracle Mike.Stefan is a freelance writer and a regular contributor to The Vintage News. He is a graduate in Literature. He also runs the blog This City Knows.last_img read more

Vintage Snapshots of Women Posing with Pride Next to their Christmas Trees

first_imgIn America during the 1950s, a special kind of Christmas card became quite popular as a representation of the holiday spirit as well as family values. The cards featured housewives preparing food, shopping, nurturing children, and other household affairs, giving praise to the “all-American spouse”. The pin-up fashion of the time allowed these quirky illustrations to become the embodiment of the white picket fence ideal, representing the American dream ― one that includes a happy family living in a safe and loving community.No shoes no problemPretty in Pink. Well, sort of pink.The flash function on this camera was definitely working.Well I’ll be golly gee willikersSomeone forgot to say cheeseThis is my tree and I’m very happy about it.Look what I got!That pink bear looks like it’s up to no good…The 1950s brought a rather conservative outlook on how society should look. It also contributed to the uptight image of the American white-collar class of the period.Judging by these photos, however, it seems as though not everything was so crude and traditional.Christmas holidays are a season well known for family customs and rituals, with taking pictures being one of them. No better time to fill up the family album then Christmas, but in this case, the photographs are reserved for the lady of the house, or better yet ― ladies.Just like the vintage postcards, giving praise to the housewives of the hour ― who are responsible for everything from decorations to the feast ― these women take pride next to their Christmas trees after a job well done.We know who the real Christmas star is here.My children say I look like Cinderella.Work it!Dachsund looking directly into the camera.The image of prideChristmas ChicPopeye will be coming home for dinner soon.Just a wee bit of egg nog.My dress is white. What are you gonna do about it?Dresses are for those other mothers…Have to go help Pa out at the barn after this photo.Snazzy!Oh sorry, didn’t see you standing there….Happy to be aliveI’m looking into your eyes….Apart from celebrating the woman of the hour, this snapshot selection also serves as an incredible time-capsule of everyday life in 1950s and 1960s America. From fashion to decorations, and of course, the shining Christmas trees, the photos offer us a vivid glimpse into an era before Instagram and Facebook.Read another story from us: The Story of Yule – How Vikings Did ChristmasStriking a pose in an attempt to look as natural as possible, wasn’t so easy back then as it is today, in the time of selfies. However, these middle-aged women seem confident enough, whether in their sleeping gowns, church dresses, or sporting their casual clothes.last_img read more

Right on the Cowboys not winning the Super Bowl Wrong on Aaron

first_imgWhere Colin was RightThe Cowboys didn’t win the Super Bowl – Colin came around on the Cowboys as one of the dominant teams in the NFL after having initial doubts, but before the playoffs he said they wouldn’t win the Super Bowl.He didn’t see any way that the Cowboys could survive a gauntlet of opposing quarterbacks that potentially included Aaron Rodgers, Matt Ryan and Tom Brady, or even a Giants defense against whom they lost twice during the season. Colin loves the Cowboys roster, but they had an uphill climb to make it to the Super Bowl. It turns out, they couldn’t get past Aaron Rodgers.  Colin was right.From 56 YARDS, Mason Crosby is GOOD! 31-28, Packers. #GoPackGo #GBvsDAL pic.twitter.com/RavmdoOpV7— Chat Sports (@ChatSports) January 16, 2017 Every Monday in The Herd, it’s time for Colin to count the wins and the losses from another week of predictions in Where Colin was right, where Colin was wrong.This week, there’s a whole bunch of right and wrong after the NFL Playoffs Divisional Round. Colin was right about the Cowboys getting buried by a slow start against the Packers and not winning the Super Bowl; wrong for having buried Aaron Rodgers after a 4-6 start; wrong about the Chiefs after they laid a playoff egg against the Steelers; and 100% right about the Knicks with Derrick Rose becoming a complete disaster.Here’s the right and the wrong from an NFL Playoff weekend: Where Colin was RightSeattle’s subpar o-line was their downfall –  Russell Wilson was injured or running for his life for most of the year behind a below average offensive line that was exposed again against the Falcons. Colin said repeatedly that they couldn’t win with the youngest, lowest paid o-line in the NFL. They looked bad again against the Falcons on the road this weekend. Colin saw this one coming. Right.Russell Wilson gets picked off by Ricardo Allen, potentially sealing the win for the #Falcons! #RiseUp #SEAvsATL #NFLPlayoffs pic.twitter.com/T38uFf4jlZ— Chat Sports (@ChatSports) January 15, 2017Where Colin was WrongThe Chiefs and Andy Reid laid an egg at home – Colin thought the Chiefs defense, and Andy Reid coming off a bye week (19-2 career record) would get the job done at home against the Steelers. He was wrong. Pittsburgh completely dominated Kansas City in a game that had no business being as close as the final score made it appear. In the end, Andy Reid had a curiously coached second half and Alex Smith cemented his reputation as a quarterback who refuses to throw the ball down the field with any effectiveness. Colin was wrongHere’s the successful, negated two-point conversion and the one that failed. 18-16, #Steelers up. #chiefskingdom #HereWeGo #PITvsKC pic.twitter.com/Z2v5nVrSxf— Chat Sports (@ChatSports) January 16, 2017 Where Colin was WrongThe Timberwolves are not a playoff team – Like many, Colin fell in love with the super talented core of young stars in Minnesota. He predicted they would be a surprise playoff team in the Western Conference. The Timberwolves are 14-27, and despite three players (Towns, Wiggins, LaVine) averaging 20+ points a night, they don’t play defense, don’t have a bench, and aren’t close to being ready to compete this year. Tom Thibodeau might turn this thing around, but it’s gonna take some time. Colin was wrong.Karl Anthony Towns Steals and Finishes with the Ferocious Slam Dunk!! #NBA #PowerOfThePack pic.twitter.com/Ut0dAnHGbA— All Sport News (@All_SportNews) December 14, 2016 Advertisement Where Colin was WrongMatt Ryan is way better than “Andy Dalton in a dome” – Colin admits, calling Matt Ryan, “Andy Dalton in a dome” is a great line, and he may have said it because he knew it would piss off Jason Whitlock on Speak for Yourself. In previous years, Ryan hadn’t separated himself a great deal from “The Red Rifle.” This year, however, Ryan is having an MVP year and the Falcons might have the best offense left in the playoffs. On Saturday, he carved up the Legion of Boom for 338 yards and 3 touchdowns. Colin was wrong.Matt Ryan finds a WIDE OPEN Tevin Coleman in the end zone to give the #Falcons the 19-10 lead! #RiseUp #SEAvsATL #NFLPlayoffs pic.twitter.com/h7yZS2Sg20— Chat Sports (@ChatSports) January 14, 2017center_img Where Colin was WrongAaron Rodgers and the Packers weren’t done at 4-6 – Colin buried Green Bay when they were 4-6, Rodgers had been playing poorly for about a year and their defense was beset with cluster injuries in the secondary.Since then, Rodgers has turned it on and is the best player in the NFL, and their defense got healthy and has been respectable. The Packers run shows the value of having a superstar quarterback, and how a team can ride one playing at the level of Rodgers deep into the playoffs. Colin was wrong.3rd and 20. Aaron Rodgers hits Jared Cook for 36. Unbelievable. #Packers will have chance to win it. #GoPackGo pic.twitter.com/6tWW5j3sqI— Chat Sports (@ChatSports) January 16, 2017 Where Colin was RightThe Cowboys were killed by a slow start – In his Blazin’ 4, Colin took Green Bay and the 4.5 because he thought the Cowboys were likely to get off to a slow start after a prolonged layoff and end up in an early hole. They did. Rodgers and Green Bay jumped out to a 21-3 lead and Dallas was left clawing their way back into the game for the rest of the afternoon. Long layoffs are a problem.Micah Hyde jumps the screen pass for the interception for the #Packers! First turnover of the game. #GoPackGo pic.twitter.com/Wkukg2WBjK— Chat Sports (@ChatSports) January 15, 2017 Where Colin was RightThe Knicks are imploding – The Knicks have won 2 of 12 and are coming off a week where Derrick Rose disappeared from the team without letting them know his whereabouts, and Carmelo Anthony was confronted with rumors that Phil Jackson wants to get rid of him.Anthony is unhappy. Rose is unhappy. When Phil Jackson signed Derrick Rose in the offseason, Colin said it may sell tickets, but they would never win anything with Rose or Anthony as the centerpieces. The Knicks ship is sinking and it looks like they’re headed into another full-blown rebuild. It’s officially a disaster, and it wasn’t even interesting.Derrick Rose speaking with the media today at the Knicks training facility pic.twitter.com/RS2cTyIq2Z— ?StrictlyKnicks™? (@StrictlyKnicks1) January 11, 2017 Where Colin was RightThe Texans hung around against the Patriots – the Texans didn’t cover the 16 against the Patriots, but, just as Colin said, their defense allowed them to hang around and be competitive in a game they had no chance to win with Brock Osweiler at quarterback. Colin thought the Texans would play well after being nationally mocked as a walk-over for Brady and the Patriots. If they had a real quarterback, they could have won this game. Colin was right.The Texans pick off Tom Brady for the 2nd time tonight! #WeAreTexans #HOUvsNE #NFLPlayoffs pic.twitter.com/uD8OyQPgjf— Chat Sports (@ChatSports) January 15, 2017last_img read more

VIDEO Venezuelan skier who had never seen snow before his race is

first_imgPrior to racing in the Nordic World Ski Championship, 22-year old Venezuelan cross country skier Adrian Solano had never seen snow. Seriously. Based on his performance on the course, that explains a lot.Solano attempted to torch the competition, but had a tough enough time just maintaining his balance and enough speed to keep going. Poor guy gets stuck on the course more than Tommy Boy in his sail boat.Imagine if Michael Jordan showed up to his first NBA game, but had never played on a basketball hoop before. That’s a tough assignment.The video of the run looks more like something out of a sketch comedy bit. C’mon Venezuela, send this guy to some damn snow so he can practice.last_img read more

VIDEO UCF head coach and former Nebraska QB Scott Frost is running

first_imgUCF is preparing to play Navy this week, and instead of letting one of his players take snaps at quarterback on the scout team to simulate the Midshipmen option attack, the Golden Knights’ head coach – and former Nebraska QB – Frost is doing it himself.Once you learn the option game at Nebraska, you never forget it. Frost has still got it.Who is that under center? pic.twitter.com/ECoiHFdYCw— Gerrod Lambrecht (@GerrodLambrecht) October 17, 2017 Here’s Frost in his heyday at Nebraska: Advertisementlast_img read more

You Can Steer Your Dog With This Device

first_img Free Webinar | Sept. 9: The Entrepreneur’s Playbook for Going Global Growing a business sometimes requires thinking outside the box. 2 min read September 10, 2013center_img You’ve already trained Fido to sit, stay, fetch and roll over. But what if, for some crazy reason, you needed Fido to do something but you were unable to give him verbal commands?It’s something researchers at Alabama’s Auburn University are working on. Mechanical engineers Jeff Miller and David Bevly have developed a device they say can help dogs “hear” commands that are delivered electronically by a human with a controller.The device is a pack worn on the back of a dog that consists of a microprocessor, wireless radio, GPS receiver and something called an “attitude and heading reference system,” according to a report in gizmag. A command module on the pack delivers vibrational and audio tone cues that the dog has been trained to respond to.While something like this might be a bit much for the family dog, it could someday be useful for canines used in rescue missions where voice commands aren’t possible or by police for drug busts and other types of arrests.”An eventual goal of the work would be to not only guide the canine to a predetermined location, but also to be able to recognize when a canine detects something of interest,” Miller and Bevly wrote in their 160-page dissertation on the device. “For example, the canine could demonstrate some known response (walking in a circle or sitting down) upon detecting narcotics.”Tests of the device show accuracy of obedience of almost 87 percent, gizmag says.Development is still under way. But I want to know: Will this someday steer Fido to retrieving my lost socks and morning paper with nothing more than a click of a remote control? Hands down that’d be cooler than robotic cockroaches, right?What crazy apps and gadgets have you come across lately? Let us know by emailing us at FarOutTech@entrepreneur.com or by telling us in the comments below. Register Now »last_img read more