For the first time in decades, more carbon emissions will come from transportation than from coal- and gas-fired power plants.
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.
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.
Shooting wireless signals along power lines could widen Internet access.
Automakers from Shanghai to Detroit have responded to Tesla’s remarkable success by accelerating their own electric vehicle ambitions. Now Tesla is promising to upend large-scale car manufacturing, but it faces tough competition.
Designed to make the technology more attractive to large banks, the change doesn’t seem to be welcomed by purists—but they may have to tolerate it.
The way software agents interact on the Web is poorly understood. Now evidence shows that they fight each other for years.