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 Tech Xplore - electronic gadgets, technology advances and research newsнет даты
Tech Xplore internet news portal provides the latest news on electronics, technology, and engineering.

 
 
1. Twitter bans sharing of photos without consent00:46[−]
Категория(?)  
Twitter launched new rules Tuesday blocking users from sharing private images of other people without their consent, in a tightening of the network's policy just a day after it changed CEOs.

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2. Training computers to tease out the subtext behind the text00:43[−]
Категория(?)  
It is hard enough for humans to interpret the deeper meaning and context of social media and news articles. Asking computers to do it is a nearly impossible task. Even C-3PO, fluent in over 6 million forms of communication, misses the subtext much of the time.

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3. Adding sound to electric vehicles improves pedestrian safetyВт, 30 ноя[−]
Категория(?)  
While they decrease sound pollution, electric vehicles are so quiet, they can create a safety concern, particularly to the visually impaired. To address this, many governments have mandated artificial sounds be added to electric vehicles.

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4. Apples to apples: How similarity theory could boost fuel cell researchВт, 30 ноя[−]
Категория(?)  
Globally, an ever-increasing number of research groups are focusing on technology related to the production of hydrogen, which is now widely accepted as the ultimate clean energy carrier. However, the conversion of hydrogen into a usable form of energy, such as electricity, is just as important. In this regard, proton exchange membrane fuel cells (PEMFCs) are currently our best bet.

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5. Lead 'em then leave 'em: tech founders who quitВт, 30 ноя[−]
Категория(?)  
Former Twitter CEO Jack Dorsey joins a long list of tech gurus who've quit the companies they founded. But what makes them step aside—and is it good for business?

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6. Scientists develop lead-absorbing tape to boost viability of rising star in solar power industryВт, 30 ноя[−]
Категория(?)  
Researchers at Northern Illinois University and the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) in Golden, Colorado, are reporting a potential breakthrough that could help speed commercialization of highly promising perovskite solar cells (PSCs) for use in solar panels.

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7. An energy-storage solution that flows like soft-serve ice creamВт, 30 ноя[−]
Категория(?)  
Batteries made from an electrically conductive mixture the consistency of molasses could help solve a critical piece of the decarbonization puzzle. An interdisciplinary team from MIT has found that an electrochemical technology called a semisolid flow battery can be a cost-competitive form of energy storage and backup for variable renewable energy (VRE) sources such as wind and solar. The group's research is described in a paper published in Joule.

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8. Study introduces framework to understand new class of curved lattice materialsВт, 30 ноя[−]
Категория(?)  
A new study from Swansea University has introduced a framework to calculate the material properties of a new class of two-dimensional curved hexagonal lattices that could be used in the production of improved mechanical metamaterials found in bio-engineering, stretchable electronics, impact absorption and soft robots.

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9. Using artificial intelligence to advance energy technologiesВт, 30 ноя[−]
Категория(?)  
Hongliang Xin, an associate professor of chemical engineering in the College of Engineering, and his collaborators have devised a new artificial intelligence framework that can accelerate discovery of materials for important technologies, such as fuel cells and carbon capture devices.

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10. Rare-earth elements separation technology licensed to MarshalltonВт, 30 ноя[−]
Категория(?)  
A new technology for rare-earth elements chemical separation has been licensed to Marshallton Research Laboratories, a North Carolina-based manufacturer of organic chemicals for a range of industries.

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11. FTC orders Walmart, Amazon, Kroger and more to turn over information on empty shelves, high pricesВт, 30 ноя[−]
Категория(?)  
The Federal Trade Commission said Monday that it is investigating the causes behind ongoing supply chain disruptions and how they are "causing serious and ongoing hardships for consumers and harming competition in the U.S. economy."

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12. Every noble metal atom counts in exhaust catalystsВт, 30 ноя[−]
Категория(?)  
Modern society heavily relies on transportation. The internal combustion engines that power most vehicles emit gaseous pollutants that are harmful to human health and to the environment. Catalytic removal of toxic carbon monoxide (CO) from exhaust fumes is typically done with expensive noble metals as one of the key components of automotive catalytic convertors. For his Ph.D. research, Valerii Muravev explored ways to improve the efficiency of costly catalysts by optimizing the use of noble metals in convertors. Muravev recevied his Ph.D. cum laude on November 26th.

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13. First in-flight, 100% sustainable fuels emissions study of passenger jet shows early promiseВт, 30 ноя[−]
Категория(?)  
Initial findings from a world-first study of the impact of 100 percent sustainable aviation fuel (SAF) on both engines of a commercial jet have provided promising early results.

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14. Mitigating damage caused by adding electrical contacts to sensitive semiconductorsВт, 30 ноя[−]
Категория(?)  
Damage from adding electrical contacts to sensitive semiconductors can be mitigated using a buffer layer and optimized deposition.

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15. Recycled factory heat benefits industries and the environmentВт, 30 ноя[−]
Категория(?)  
Industrial processes account for more than a fourth of Europe's primary energy consumption and produce a tremendous amount of heat. EU funded research is closing the circle with novel systems that recover waste heat and return it for reuse in industrial process lines.

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16. Green transition will be less painful if we avoid repeating 1970s western policy errors in the oil marketВт, 30 ноя[−]
Категория(?)  
Russian energy giant Gazprom has announced record profits for the first nine months of the year, and is forecasting even stronger results for the fourth quarter. This is thanks to the very high price of natural gas, which Russia is accused of exacerbating by limiting supplies to Europe in recent months.

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17. Mercedes, Stellantis to work with US firm on new batteriesВт, 30 ноя[−]
Категория(?)  
Automakers Mercedes-Benz and Stellantis announced agreements with U.S. company Factorial Energy on Tuesday to help develop solid-state battery technology that they hope could make electric cars more attractive to a mass market.

18. UK competition watchdog orders Facebook to sell off GiphyВт, 30 ноя[−]
Категория(?)  
The United Kingdom's antitrust watchdog has blocked Facebook's acquisition of Giphy and ordered the social network to sell off the GIF-sharing platform, saying the deal hurts social media users and advertisers by stifling competition for animated images.

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19. NeatNet: A model that can learn people's tidying up preferencesВт, 30 ноя[−]
Категория(?)  
As robots become increasingly advanced and affordable, more people could start introducing them into their homes. Many roboticists have thus been trying to develop systems that can effectively assist humans with house chores, such as cooking, cleaning and tidying up.

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20. What's the secret to making sure AI doesn't steal your job? Work with it, not against itВт, 30 ноя[−]
Категория(?)  
Whether it's athletes on a sporting field or celebrities in the jungle, nothing holds our attention like the drama of vying for a single prize. And when it comes to the evolution of artificial intelligence (AI), some of the most captivating moments have also been delivered in nailbiting finishes.

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21. An advanced approach to fix wear damaged rails in remote locationsВт, 30 ноя[−]
Категория(?)  
An advanced approach to fix wear damaged rails in remote locations using a repair technology has been shown to be viable for large-scale use using neutron scattering experiments.

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22. Scientists discover way to improve perovskite efficiency and stabilityВт, 30 ноя[−]
Категория(?)  
Researchers at the National Renewable Energy Laboratory (NREL) and affiliated institutions across the country have bolstered the efficiency of perovskite solar cells by as much as 16%.

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23. US authorities order new vote in Amazon union bidВт, 30 ноя[−]
Категория(?)  
US labor authorities on Monday ordered a new vote on whether Amazon warehouse workers in Alabama can form a union, saying the online retail giant had violated rules during the ballot.

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24. UK spies seek help from tech firms against cyber threatsВт, 30 ноя[−]
Категория(?)  
Britain's spies must give up some of their deep-rooted secrecy and seek help from tech firms to combat fast-moving cyber threats, the head of the U.K's foreign intelligence agency says.

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25. Uber Eats to quit Hong Kong after five yearsВт, 30 ноя[−]
Категория(?)  
Online food delivery platform Uber Eats announced on Tuesday it will quit Hong Kong at the end of 2021, ending five years of a battle for a share of the competitive food delivery market.

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26. New Twitter CEO steps from behind the scenes to high profileВт, 30 ноя[−]
Категория(?)  
Newly named Twitter CEO Parag Agrawal has emerged from behind the scenes to take over one of Silicon Valley's highest-profile and politically volatile jobs.

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27. Artificial intelligence that understands object relationshipsПн, 29 ноя[−]
Категория(?)  
When humans look at a scene, they see objects and the relationships between them. On top of your desk, there might be a laptop that is sitting to the left of a phone, which is in front of a computer monitor.

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28. Xenobots: Team builds first living robots that can reproduceПн, 29 ноя[−]
Категория(?)  
To persist, life must reproduce. Over billions of years, organisms have evolved many ways of replicating, from budding plants to sexual animals to invading viruses.

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29. 'Transformational' approach to machine learning could accelerate search for new disease treatmentsПн, 29 ноя[−]
Категория(?)  
Researchers have developed a new approach to machine learning that 'learns how to learn' and out-performs current machine learning methods for drug design, which in turn could accelerate the search for new disease treatments.

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30. Cryptocurrency Omicron in frenzy over COVID-19 variantПн, 29 ноя[−]
Категория(?)  
Trading in the cryptocurrency Omicron exploded Monday and its value gyrated after the World Health Organization decided to use that name for the latest variant of COVID-19.

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