The quantum noise in a laser beam has been used to generate random numbers at the rate of 300 Mbits per second, breaking a record that stood for just a few days
An iPhone app helps people inform rescuers of wildlife affected by the Gulf oil spill.
The best of the rest from the Physcis arXiv this week:
The surprising conclusion of a study of contacts between Brazilian prostitutes and their clients is that the network is unlikely to support the spread of HIV.
The International Society for Stem Cell Research plans to evaluate the claims of clinics offering experimental stem cell treatments of dubious value.
Researchers demonstrate that high-energy electrons lost in conventional solar cells can be captured.
Iridium boosts SpaceX, but will the industry repeat the boom-and-bust of the 1990s?
Liquid mirrors are cheaper and easier to make than glass ones. A new prototype shows how they can also make adaptive optics systems.
Two third of the world's languages are endangered. Now a new mathematical model of language competition suggests how to combat the threat
The guts of the Internet of Things are being synthesized by programmers who cut their teeth on the earliest PCs.