For the first time in decades, more carbon emissions will come from transportation than from coal- and gas-fired power plants.
Google thinks a computer is up to the task of flying its balloons through the stratosphere.
They save on electricity, but LED streetlights come with a bluish tinge may be unwelcome—or even unhealthy.
This week’s most thought-provoking papers from the Physics arXiv.
Physicists have smashed the record for the amount of information a single photon can carry. Their experiment has immediate implications for quantum cryptography.
Google’s chatty virtual helper could make search more useful but disrupt the company’s business model.
The approach could be a tenth the price of earlier methods.
U.S. intelligence agencies know better than anyone how vulnerable today’s technologies are to being infiltrated—but some spies are getting smartphones and Wi-Fi anyway.
The landmark agreement could enter into force before the end of the year.
It’s not another ride-hailing business, for one thing.