The best of the rest from the Physics arXiv this week:
Various work suggests that neurons emit and even conduct photons. Could it be that biophotons help to synchronise the brain?
Google now lets you filter sites by "reading level."
A link between quantum mechanics and topology implies the existence of an entirely new state of matter. And physicists have already found the first example.
Customers are starting to receive the long-promised electric vehicles.
A Department of Energy report brings attention to the need to diversify the supply of rare-earth metals needed for cleantech and defense.
Italy's Olivetti hopes its "OliPad" touch-screen tablet attracts business customers.
Google's new phone has nothing for me—though I guess it couldn't hurt to take a look.
Mobile devices that channel their signal in a specific direction can cut their power consumption by more than half, a new study finds.
Life Technologies hopes crowdsourcing will improve its new sequencing technology.