Investor Peter Thiel has inspiring advice for wanna-be entrepreneurs, but he is unrealistic about where technology really comes from.
The blue LED might save more energy than just about any other technology.
OLEDs are highly efficient but expensive. Better materials and manufacturing methods are changing that.
A Columbia scientist and his startup think they have a plan to save the world. Now they have to convince the rest of us.
Three scientists who made headway in cracking the brain’s code win Nobel Prize for discovering animal’s “inner GPS.”
GT, the developer of a new way to make thin sheets of sapphire for scratch-resistant displays, is running short on cash.
Social media is playing an increasingly important role in religious activity. Computer scientists ask: How is that reflected in the Twitter stream?
Standards bodies are wrestling with the impact of accidental robot strikes.
The best of the rest from the Physics arXiv preprint server.