A Stanford professor claims to have invented a Bitcoin-like system that can handle payments faster and with more security.
Philosopher Nick Bostrom says major tech companies are listening to his warnings about investing in “AI safety” research.
AltspaceVR is building virtual hangouts that it hopes you’ll use to watch a movie with friends or play a game of life-size chess.
Programming languages shape the way their users think—which helps explain how tech startups work and why they are able to reinvent themselves.
Powerful radar, mostly limited to the military, could soon be cheap enough for cars and consumer drones to use.
IBM is testing a contentious idea for making computers more intelligent by trying to copy mechanisms from the human brain.
A startup is borrowing techniques used in high-frequency trading to make virtual worlds more realistic.
Facebook hopes that adding functionality like video sharing and shopping to Messenger will help it grow even as competition rises.
Meerkat and Periscope show how simple, fun, and weird live-streaming can be.
Rapidly scanning the Internet has become vital to efforts to keep it secure.