I traveled to Roblox's headquarters to do a demo of a new safety feature it says will help protect child users.

The original version of this story appeared in Quanta Magazine. When she was 10 years old, Rose Yu got a birthday present that would change her life—and, potentially, the way we study physics. Her ...

Hardly anyone can have missed the AI phenomenon that has taken the world by storm. Almost every major company has some kind of AI initiative now. Politicians talk about how important it is not to ...