We've failed to transition to new technologies, and we've exhausted available Internet addresses.
The best of the rest from the Physics arXive this week
Doctors may soon have access to a tool to detect signs of the disease in the living brain.
Nobody is quite sure how to define a galaxy. So astronomers are appealing to the wisdom of crowds to help.
Will a Quora clone really help the White House connect with citizens?
Most Internet startups turn their nose up at conventional marketing.
An online translation of an ancient text reveals some engineering marvels from antiquity.
Reading on the Web has never been a very satisfying experience--new tools mark the beginning of its end.
What congress wants, NASA says it can't do, but why?
Computer scientists have developed software that spots flashers in the act on video chat sites.