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Robotics

Tesla robot walks, waves, but doesn't show off complex tasks

An early prototype of Tesla Inc.'s proposed Optimus humanoid robot slowly and awkwardly walked onto a stage, turned, and waved to a cheering crowd at the company's artificial intelligence event Friday.

Electronics & Semiconductors

Exploring Europa possible with silicon-germanium transistor technology

Europa is more than just one of Jupiter's many moons—it's also one of most promising places in the solar system to look for extraterrestrial life. Under 10 kilometers of ice is a liquid water ocean that could sustain life. ...

Robotics

Researchers develop humanoid robotic system to teach Tai Chi

Zhi Zheng's robot is skilled at Tai Chi, and her research team hopes it will soon lead a class of older adults at a local community center. Her robot is more than a cute companion. It can help improve cognitive function and ...

Energy & Green Tech

India 'must toughen goals' to achieve zero emissions, says study

Despite India's ambitious commitments on renewable energy output, steeper targets will be needed over the next few decades to wean the country away from its dependence on coal, according to new analysis.

Energy & Green Tech

Clean hydrogen: A long-awaited solution for hard-to-abate sectors?

One of the world's biggest climate challenges is decarbonizing fossil energy uses that cannot be directly electrified using renewable power. Among so-called "hard-to-abate" (HTA) sectors are major industries that rely on ...

Business

Bitcoin as environmentally costly as beef production

Taken as a share of the market price, the environmental costs of mining the digital cryptocurrency Bitcoin are more comparable to the climate damages of producing beef than gold mining costs, according to analysis published ...

Computer Sciences

Do humans think computers make fair decisions?

Today, machine learning helps determine the loan we qualify for, the job we get, and even who goes to jail. But when it comes to these potentially life-altering decisions, can computers make a fair call? In a study published ...

Computer Sciences

Chess: How to spot a potential cheat

A few years ago, the chess website Chess.com temporarily banned U.S. grandmaster Hans Niemann for playing chess moves online that the site suspected had been suggested to him by a computer program. It had reportedly previously ...

Electronics & Semiconductors

Improving wearable medical sensors with ultrathin mesh

On-skin medical sensors and wearable health devices are important health care tools that must be incredibly flexible and ultrathin so they can move with the human body. In addition, the technology has to withstand bending ...