Sure, lithium-ion batteries have risks, but so do gasoline-powered cars.
Cheap green laser pointers can emit dangerous levels of infrared radiation, according to an investigation carried out by physicists in the US
If electric cars become popular quickly, the demand for charging them is likely to exceed supply. Now mathematicians have worked out how electricity companies can distribute their power fairly to car owners. But the price–accurate information about driving habits–may be too much to ask.
Occasionally virtual assistants like Siri show flashes of humanity that suggest they could one day act like more than just software.
Google can identify and transcribe all the views it has of street numbers in France in less than an hour, thanks to a neural network that’s just as good as human operators. Now its engineers reveal how they developed it.
Not only does student participation decline dramatically throughout the new generation of Web-based courses, but the involvement of teachers in online discussions makes it worse.
No prizes for guessing who gets top billing. But who comes in at the bottom?
How the news feed on Facebook decides what you get to see.
A new estimate of the amount of energy needed to visit the stars suggests we won’t have enough for at least another two centuries
Entire GPS systems, including batteries and wireless transmitters for downloading data, are now no bigger than a coin.