Tech

E-bikes are increasingly visible on roads and bicycle paths, with a growing number of teenagers among the riders. But the recent deaths of several teenage riders has raised concerns about the safety...

How could they protect themselves from A.I.?That was the question that Mike Masnick found himself fielding this summer in a WhatsApp chat with about 100 directors, actors and screenwriters. The group, including...

The Australian physicist shook the heavy metal box that resembled a beer cooler but held a quantum sensor. A computer screen showed that the cutting-edge device — with lasers manipulating atoms into...

Ford Motor earned $1.9 billion from April to June, up from $667 million a year earlier, the company said on Thursday. Robust sales of gasoline-powered trucks and sport-utility vehicles more than offset...

Federal prosecutors pursuing the criminal case against the cryptocurrency mogul Sam Bankman-Fried said on Wednesday that they were dropping a charge that he violated campaign finance rules.Mr. Bankman-Fried was charged with fraud...

Four years ago, a billionaire tech executive leading one of the world’s pre-eminent social platforms laid out a vision to transform it into an app that could do it all. In an...

A team of scientists has extended the lives of old mice by connecting their blood vessels to young mice. The infusions of youthful blood led the older animals to live 6 to...

When artificial intelligence companies build online chatbots, like ChatGPT, Claude and Google Bard, they spend months adding guardrails that are supposed to prevent their systems from generating hate speech, disinformation and other...

Threads, the new social app from Meta, had a fast start this month when it racked up 100 million downloads in less than a week. With so much momentum, the app seemed...

A major physics journal is retracting a two-year-old scientific paper that described the transformations of a chemical compound as it was squeezed between two pieces of diamond.Such an esoteric finding — and...