Europe and China are gaining the upper hand in the race to bounce perfectly secure messages off satellites in low Earth orbit.
The Supreme Court’s ruling on warrantless cell-phone searches is an encouraging acknowledgement that the Constitution protects our privacy from much more than physical trespass.
The network of links between actors who have costarred in Bollywood films shows a clear connection to India's political and economic history, say network scientists.
Robots already surround us, and they’re about to do much more than work on assembly lines and pick up dust bunnies.
After aircraft were targeted with high-power laser pointers in 2008, Australia banned them. But the prohibition seems to have had an entirely different effect.
The best of the rest from the Physics arXiv preprint server
Astronomers have long known that combining the data from several astrophotographs can reveal dramatically more detail about astrophysical objects. So what will they discover by combining all the astrophotographs on the Web?
Censorship has forced Chinese activists to use increasingly obscure language on social media, isolating themselves from those they hope to reach.
Field experiments in rural India have revealed a cheap and simple way to find the best connected individuals in any social network--just ask the people.