The Great A.I. Build-Out + H-1B Visa Chaos + TikTok Braces for the Rapture

This week, an eye-popping $100 billion deal between OpenAI and Nvidia — along with an announcement about the construction of five new American data centers — has us re-examining our predictions of an A.I. bubble. Then, we try to make sense of the Trump administration’s changes to the H-1B visa program, which generated mixed reactions from tech leaders; the immigration expert Jeremy Neufeld joins us to explain why the new $100,000 visa fee is likely to hurt start-ups, universities and the broader U.S. economy. And finally, we take a look at one of the latest trends sweeping TikTok: planning for a biblical Rapture. Guests:Jeremy Neufeld, director of immigration policy at the Institute for Progress Additional Reading:Nvidia to Invest $100 Billion in OpenAIOpenAI to Join Tech Giants in Building 5 New Data Centers in U.S.$100,000 Per Employee: How the H-1B Visa Fee Could Reshape Work ForcesA $100,000 Per Worker Visa Fee Tips the Balance to Big TechThe Rapture Was Predicted to Happen Today. TikTok Has Some Advice. We want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.