For more than 50 years, scientists have sought alternatives to silicon for building molecular electronics. The vision was elegant; the reality proved far more complex. Within a device, molecules ...

Here’s a cheat sheet for decoding this year’s A.I.-driven tech lingo, from RAG to superintelligence. By Brian X. Chen Brian X. Chen is The Times’s lead consumer technology writer and the author of ...

The room we are in is locked. It is windowless and lit from above by a fluorescent bulb. In the hallway outside—two stories beneath the city of London—attendants in dark suits patrol silently, giving ...