Stephen Hawking's first-ever Reddit AMA now accepting questions
July 27, 2015, 9:46 p.m. by Michael d'Estries
Renowned theoretical physicist is ready to discuss everything from artificial intelligence to black holes.
In pee-saturated San Francisco, walls that retaliate against public urinators
July 27, 2015, 6:30 p.m. by Matt Hickman
City officials are confident that pee-proof walls will thwart al fresco urination, one splash at a time.
On vacation? Turn off the computer and put down your phone
July 27, 2015, 4:39 p.m. by Lloyd Alter
Do you get twitchy if you don't have a phone in your hand? It's time to take a time out.
I, for one, welcome the new robot hotel staff at Japan's Henn-na Hotel
July 24, 2015, 7:10 a.m. by Lloyd Alter
Actually, there's a lot going on here besides the silly robots.
Robo-swans add a touch of elegance to water quality testing
July 23, 2015, 10 a.m. by Matt Hickman
Singapore's pollution-monitoring avians trade in webbed feet for propellers.