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Wristband that turns body heat into electricity can power an LED

Alena Butusava/Getty Images A wearable wristband containing a thermoelectric generator (TEG) can convert body heat into enough electricity to power an LED. In future, the technology may be able to power smartwatches and end the need for traditional charging hardware. “Energy supply is always a big issue, and this could help alleviate the energy crisis,” says Qian Zhang of the Harbin Institute of Technology, China, one of the co-authors of the paper, who has worked on TEGs for more than 15 years. TEGs are used in a wide range of applications, but are often rigid – something Zhang and her colleagues sought to solve. They layered a magnesium and bismuth material – the TEG materials – between polyurethane and a flexible electrode, enabling the wristband to wrap around a human arm.

Qian zhangZuid hollandAlena butusava gettyChris stokel walkerHarbin institute of technologyDelft university of technologyHarbin instituteRolf hutDelft universityCell reports physical scienceஹார்பின் நிறுவனம் ஆஃப் தொழில்நுட்பம்டெல்ஃப்ட் பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம்ஹார்பின் நிறுவனம்ரோல்ஃப் குடிசைடெல்ஃப்ட் பல்கலைக்கழகம்செல் அறிக்கைகள் உடல் அறிவியல்

China State Construction International : Proposals for General Mandates to Issue and Repurchase Shares and Re-election of Directors and Notice of Annual General Meeting

THIS CIRCULAR IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION If you are in any doubt as to any aspect of this circular or as to the action to be taken, you should consult your licensed securities dealer, bank manager, solicitor, professional accountant or other professional adviser. If you have sold or transferred all your shares in China State Construction International Holdings Limited, you should at once hand this circular and the accompanying form of proxy to the purchaser or the transferee or to the bank, licensed securities dealer or other agent through whom the sale or transfer was effected for transmission to the purchaser or the transferee.

United statesWan chaiHong kong generalHong kongGrand caymanCayman islandsUniversity of hong kongUnited kingdomHong kong special administrative regionZhang haipengAdrian david liYan jianguoRaymond leung hai mingZhou hanchengInstitution of civil engineers united kingdomCompanies law of the cayman

[숨&결] 황색 공포 / 김우재 : 칼럼 : 사설 칼럼 : 뉴스 : 한겨레

[숨&결] 황색 공포 / 김우재 : 칼럼 : 사설 칼럼 : 뉴스 : 한겨레
hani.co.kr - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hani.co.kr Daily Mail and Mail on Sunday newspapers.

United statesSouth koreaEmperor wilhelmSteve forbesJoe bidenUnited states universityHarbin institute of technologyUnited states eliteJoe biden president exceptionsHarbin instituteUnited states entriesEurope asiansCountry frenchGermany emperor wilhelmRussia emperorEurope christianity

Researchers Found a Way to Send Tiny Robots Into Mouse Brains

Researchers Found a Way to Send Tiny Robots Into Mouse Brains
gizmodo.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gizmodo.com.au Daily Mail and Mail on Sunday newspapers.

Hongsoo choiJunsun hwangZhiguang wuScale robotics labMagic school busHarbin institute for technologyMicrobots perform eye surgery withoutMulti scale robotics labHarbin instituteஅளவு ரோபாட்டிக்ஸ் ஆய்வகம்மந்திரம் பள்ளி பேருந்துஹார்பின் நிறுவனம் க்கு தொழில்நுட்பம்பல அளவு ரோபாட்டிக்ஸ் ஆய்வகம்ஹார்பின் நிறுவனம்

Scientists find clues to a process occurring throughout universe that affects fusion energy

Date Time Scientists find clues to a process occurring throughout universe that affects fusion energy New research reveals a surprising insight into the physics behind magnetic reconnection, a process occurring through the universe that converts magnetic to kinetic energy. The findings, by researchers at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) together with other physicists, could lead to a greater ability to predict space weather – fast particles from the sun that can disrupt communications satellites and electrical networks. Improved understanding could also lead to more efficient generation of the fusion energy that powers the sun and stars, which researchers are seeking to reproduce on Earth as a safe, clean, and abundant source of energy for generating electricity.

Hantao jiJongsoo yooGoddard space flight centerGeophysical research lettersChina harbin institute of technologyUtah state universityPrinceton universityNational science foundationUs department of energyMagnetospheric multiscale missionPrinceton plasma physics laboratoryUniversity of rochesterOffice of scienceGeophysical researchMagnetic reconnection experimentNational science