Sensors dropped onto Mount St. Helens relayed data after forming an ad-hoc network.
Terrorist organizations may be best understood as companies whose principal product is violence, suggests a new study of terror attacks.
The best of the rest from the Physics arXiv this week:
In its first meeting, the committee to review human spaceflight listened to private companies explain why their launch vehicles are better than NASA's.
The chairman of the California Air Resources Board responds to the energy secretary's anti-hydrogen-fuel-cell stance.
Cars could someday communicate with other vehicles and traffic signals using their lights.
Apparently, I am the most genetically annotated human on Earth. Is this a good thing?
If you think e-mail is making geographical distance less important, think again. A new analysis indicates that the opposite may be true.
Plentiful natural gas could help reduce carbon emissions, but it could also delay zero-carbon technology.
Data gleaned from Internet service providers hints at how the government is controlling Web traffic.