Science and Technology

On a sweltering July evening, the din from thousands of computers mining for Bitcoins pierced the night. Nearby, Matt Brown, a member of the Arkansas legislature, monitored the noise alongside a local magistrate.As the two men investigated complaints about the operation, Mr. Brown said, a security guard for the mine loaded rounds into an AR-15-style assault rifle that had been stored in a car.“He wanted to make sure that we knew he had his gun — that we knew it was loaded,” Mr. Brown, a Republican, said in an interview.The Bitcoin outfit here, 45 minutes north of Little Rock, is…

A lawmaker in the Australian state of Victoria sat down to watch the nightly news on Monday, expecting to see herself featured as a prominent opponent of duck hunting.But the member of Victoria’s Parliament, Georgie Purcell, noticed that in one photo used on 9News, the tattoos on her midriff were missing.“I saw the image come up on the screen and I thought, ‘That’s really odd,’ because my stomach is heavily tattooed,” Ms. Purcell said on Wednesday.She compared the image with the original photo, which was taken last year by a local newspaper and realized that not only had her tattoos…

Hours before Mark Zuckerberg, the chief executive of Meta, was set to testify on Wednesday about child safety online, lawmakers released internal documents showing how his company had rejected calls to bulk up on resources to combat the problem.In 90 pages of internal emails from fall 2021, top officials at Meta, which owns Instagram and Facebook, debated the addition of dozens of engineers and other employees to focus on children’s well-being and safety. One proposal to Mr. Zuckerberg for 45 new staff members was declined.The documents, which are being released in full for the first time, were cited in a…

In the spring of 2020, when President Donald J. Trump wrote messages on Twitter warning that increased reliance on mail-in ballots would lead to a “rigged election,” the platform ran a corrective, debunking his claims.“Get the facts about mail-in voting,” a content label read. “Experts say mail-in ballots are very rarely linked to voter fraud,” the hyperlinked article declared.This month, Elon Musk, who has since bought Twitter and rebranded it X, echoed several of Mr. Trump’s claims about the American voting system, putting forth distorted and false notions that American elections were wide open for fraud and illegal voting by…

The genetic testing company 23andMe is being accused in a class-action lawsuit of failing to protect the privacy of customers whose personal information was exposed last year in a data breach that affected nearly seven million profiles.The lawsuit, which was filed on Friday in federal court in San Francisco, also accused the company of failing to notify customers with Chinese and Ashkenazi Jewish heritage that they appeared to have been specifically targeted, or that their personal genetic information had been compiled into “specially curated lists” that were shared and sold on the dark web.The suit was filed after 23andMe submitted…

Listen and follow ‘Hard Fork’Apple | Spotify | Amazon | YouTubeLayoffs are hitting newsrooms and publishers again, as tech platforms, ad markets and artificial intelligence reshape the internet. Kevin Roose and Casey Newton have ideas for solutions. Then, one of the most influential investors in crypto companies lays out where the industry went wrong, and why he still thinks blockchains are the future. And finally, a round of HatGPT with the week’s tech headlines, including a spicy LinkedIn post and an A.I. test that disturbs Kevin and Casey’s sense of reality.Credits“Hard Fork” is hosted by Kevin Roose and Casey Newton…

Tesla’s profit more than doubled during the last three months of 2023 compared with a year earlier after the electric carmaker booked a tax benefit. But profit from car sales slumped after Tesla cut prices to fend off increasingly intense competition, the company said on Wednesday.Profit in the fourth quarter was $7.9 billion, up from $3.7 billion a year earlier, after Tesla booked a $5.9 billion tax benefit. Without that, profit would have slumped. The company made $1.9 billion in the third quarter of 2023.Tesla has slashed prices for the two cars that make up the bulk of its sales…