A Stanford professor claims to have invented a Bitcoin-like system that can handle payments faster and with more security.
Kentaro Toyama went to India with noble intentions for using technology to improve people’s lives. Now he’s wrestling with why the impact was so small.
A system that keeps data on corporate computers and mobile devices encrypted until it is viewed may help prevent breaches.
IBM is testing a contentious idea for making computers more intelligent by trying to copy mechanisms from the human brain.
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.
Powerful radar, mostly limited to the military, could soon be cheap enough for cars and consumer drones to use.
Programming languages shape the way their users think—which helps explain how tech startups work and why they are able to reinvent themselves.
A startup is borrowing techniques used in high-frequency trading to make virtual worlds more realistic.
A digital-currency company thinks it can protect the personal information used to perform identity checks in the financial industry.