A decent-size solar sail could accelerate out of the solar system in no time, and this raises new challenges for navigators.
A missing brain circuit may explain why some people can't keep a tune.
A report concludes that civilians and criminals carried out last year's attacks with the help of the Russian government.
A new test distinguishes between real and fake genetic evidence.
Using DNA structures, researchers may be able to construct tinier, cheaper chips
A device called Somniloquy processes network traffic autonomously, allowing a computer's CPU, hard disk, and display to be powered down.
Predictive blacklisting forecasts where your next attack is coming from and blocks the traffic in advance.
Losing the best player on the team can sometimes improve its performance. Network theory explains why.
Bot operators push their command-and-control channels back into the public eye by tweeting updates.
The best of the rest from the Physics arXiv this week: