Cheap green laser pointers can emit dangerous levels of infrared radiation, according to an investigation carried out by physicists in the US
Vermont got it wrong on GMOs. Its mistake will affect people far beyond its borders.
Particles of dark matter should trigger nanoexplosions in certain materials, an idea that could lead to an entirely new generation of detectors, say physicists.
Comparing electric and gas-powered versions of the same car show the environmental benefits of electric vehicles.
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.
If you could sell your location data every day, how much would you charge? A research team has carried out an experiment to find out.
The best of the rest from the Physics arXiv preprint server
The data from GPS navigating equipment is revealing the most important junctions in traffic-clogged megacities.
Using the Internet can destroy your faith. That’s the conclusion of a study showing that the dramatic drop in religious affiliation in the U.S. since 1990 is closely mirrored by the increase in Internet use.
Electrodialysis has the potential to desalinate seawater quickly and cheaply but does not remove other contaminants such as dirt and bacteria. Now chemical engineers have worked out how to do that too.