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…

When Thomas Wong set foot in the United States Embassy in Beijing this summer for a new diplomatic posting, it was vindication after years of battling the State Department over a perceived intelligence threat — himself.Diplomatic Security officers had informed him when he joined the foreign service more than a decade ago that they were banning him from working in China. In a letter, he said, they wrongly cited the vague potential for undue “foreign preference” and suggested he could be vulnerable to “foreign influence.”Mr. Wong had become a U.S. diplomat thinking that China was where he could have the…

Jerry Yu reúne las características de lo que los chinos llaman un rico de segunda generación. Estudió en una escuela preparatoria de Connecticut. Vive en un condominio de Manhattan que le vendió Jeffrey R. Immelt, exdirector ejecutivo de General Electric, en 8 millones de dólares. Y es el dueño mayoritario de una mina de bitcóin en Texas, que fue adquirida por más de 6 millones de dólares el año pasado.Yu, un estudiante de 23 años de la Universidad de Nueva York, también se ha convertido —sin querer— en un caso de estudio sobre cómo los ciudadanos chinos pueden mover dinero…

For generations, Western space missions have largely occurred out in the open. We knew where they were going, why they were going there and what they planned to do. But the world is on the verge of a new era in which private interests override such openness, with big money potentially on the line.Sometime in the coming year, a spacecraft from AstroForge, an American asteroid-mining firm, may be launched on a mission to a rocky object near Earth’s orbit. If successful, it will be the first wholly commercial deep-space mission beyond the moon. AstroForge, however, is keeping its target asteroid…

The Tesla technicians who walked off their jobs in Sweden say they still support the mission of the American company and its headline-grabbing chief executive. But they also want Tesla to accept the Swedish way of doing business.They call it the Swedish Model, a way of life that has defined the country’s economy for decades. At its heart is cooperation between employers and employees to ensure that both sides benefit from a company’s profit.Instead, four technicians who walked off their jobs on Oct. 27 said, they have been subjected to what they described as a “typical U.S. model”: six-day workweeks,…

Jerry Yu has the trappings of what the Chinese call second-generation rich. He boasts a Connecticut prep-school education. He lives in a Manhattan condominium bought for $8 million from Jeffrey R. Immelt, the former General Electric chief executive. And he is the majority owner of a Bitcoin mine in Texas, acquired last year for more than $6 million.Mr. Yu, a 23-year-old student at New York University, has also become — quite unintentionally — a case study in how Chinese nationals can move money from China to the United States without drawing the attention of authorities in either country.The Texas facility,…

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…