Changing a computer’s fan speed produces an audio signal that can be hijacked to steal data, say computer security experts who have tested the technique.
As oil declines, huge wind farms are providing electricity to Northern Europe.
After falling victim to hackers, quantum cryptographers are fighting back with a more secure system capable of sending messages further than ever before.
Leaders of the U.S., Mexico, and Canada are expected to call for half of North America’s electricity to come from non-emitting sources by 2025, but getting there isn’t going to be easy.
The search company has updated its Earth and Maps applications with a petabyte of Landsat data—but the most exciting uses are likely to come from mapping experts.
This week’s most interesting and thought-provoking papers from the Physics arXiv.
The departure of the EU’s second-largest economy could have unsettling implications for the Paris climate accord.
Supercomputers can’t keep getting faster unless they start eating less power. Chips like those in your phone could make that possible.
Questions about accuracy and transparency plague the bureau’s five-year-old face matching system.
Scaling up the hardware could one day solve problems well beyond the ability of current computers.