Andrew Kay, whose Kaypro II was an early “luggable” computer that anticipated the laptop, died at 95 on Aug. 28. Launched in 1982, it weighed 29 pounds and sold for $1,795.
More in Technology


Chatrie v. United States asks what limits the Constitution places on the surveillance state in an age of cellphones.


Making a difference in the world doesn’t require changing your job.


AI isn’t going to be the end of the world — no matter what this documentary sometimes argues.


The AI company released a set of highly progressive policy ideas. There’s just one small problem.


Protecting astronauts in space — and maybe even Mars — will help transform health on Earth.


Houston, we have a plumbing problem.