Millions of batteries discarded with computers have more than enough life to power home lighting for one year, researchers in India say.
Sentiment analysis is booming for blogs and tweets but more or less ignored when it comes to pictures. That looks set to change.
Inexpensive oil could increase the pressure to reduce mandates for biofuels.
The man behind a startup acquired by Google for $628 million plans to build a revolutionary new artificial intelligence.
Google engineers have trained a machine-learning algorithm to write picture captions using the same techniques it developed for language translation.
A new material that requires no electricity uses the universe as a heat sink—even when the sun is shining.
With new “inks” containing semiconductors, researchers have been able to print LEDs for the first time.
The best of the rest from the Physics arXiv preprint server.
Another chance to catch the most interesting, and important, articles from the previous week on MIT Technology Review.