Science and Technology

In the last few months, Beth Fletcher, a 39-year-old photographer in Derbyshire, England, built a small following on TikTok by recapping and analyzing the British reality show “I’m a Celebrity … Get Me Out of Here!” When the latest season ended in early December, Ms. Fletcher was at a loss for content because, she said, “we don’t have another good reality TV show on until summer.”Then the TikTok algorithm delivered: a video of Brooklyn Schwetje, a graduate student and influencer, sharing a day in her life on the Ultimate World Cruise, a nine-month-long, round-the-world voyage with Royal Caribbean. Ms. Fletcher…

Meet the Millers, George and Roxanne, proprietors of the world’s largest collection of mechanical puzzles: physical objects that a puzzler holds and manipulates while seeking a solution. In total, the Miller collection — an accumulation of collections, and collections of collections — amounts to more than 80,000 puzzles. It comprises some five thousand Rubik’s Cubes, including a 2-by-2-by-2 rendering of Darth Vader’s head. And there are more than 7,000 wooden burr puzzles, such as the interlocking, polyhedral creations by Stewart Coffin, a Massachusetts puzzle maker; they evoke a hybrid of a pine cone and a snowflake and are Mr. Miller’s…

The Chinese spies wanted more. In meetings during the pandemic with Chinese technology contractors, they complained that surveillance cameras tracking foreign diplomats, military officers and intelligence operatives in Beijing’s embassy district fell short of their needs.The spies asked for an artificial intelligence program that would create instant dossiers on every person of interest in the area and analyze their behavior patterns. They proposed feeding the A.I. program information from databases and scores of cameras that would include car license plates, cellphone data, contacts and more.The A.I.-generated profiles would allow the Chinese spies to select targets and pinpoint their networks and…

For years, Ben Black’s phone annoyed his family. It was the only Android device in a family message group with eight iPhones. Because of him, videos and photos would arrive in low resolution and there would be green bubbles of text amid bubbles of blue.But a new app called Beeper Mini gave him the ability to change that.Mr. Black, 25, used the app to create an account for Apple’s messaging service, iMessage, with his Google Pixel phone number. For the first time, every message the family exchanged had a blue bubble and members were able to use perks like emojis…

Apple has opened negotiations in recent weeks with major news and publishing organizations, seeking permission to use their material in the company’s development of generative artificial intelligence systems, according to four people familiar with the discussions.The technology giant has floated multiyear deals worth at least $50 million to license the archives of news articles, said the people with knowledge of talks, who spoke on the condition of anonymity to discuss sensitive negotiations. The news organizations contacted by Apple include Condé Nast, publisher of Vogue and The New Yorker; NBC News; and IAC, which owns People, The Daily Beast and Better…

Under pressure from critics who say Substack is profiting from newsletters that promote hate speech and racism, the company’s founders said Thursday that they would not ban Nazi symbols and extremist rhetoric from the platform.“I just want to make it clear that we don’t like Nazis either — we wish no one held those views,” Hamish McKenzie, a co-founder of Substack, said in a statement. “But some people do hold those and other extreme views. Given that, we don’t think that censorship (including through demonetizing publications) makes the problem go away — in fact, it makes it worse.”The response came…