A new phone app from Square enables you to say your name instead of handing over cash or card.
Finding a near-Earth asteroid worth landing on is harder than it seems, say rocket scientists.
Twitter sees a huge spike after users reveal the name of a player who obtained a "super-injunction."
Physical interfaces can be as dynamic as visual ones. So why don't devices support them?
The leap from iPhone to iPad made sense. The leap from Kindle to Kindle Tablet is less linear. What does it mean for Amazon?
Virtual buttons on touchscreen interfaces that vibrate in ways that fit our expectations for real buttons could increase usability
Two of the most bizarre ideas in modern physics are different sides of the same coin, say string theorists
The best of the rest from the Physics arXiv this week
A sample of spam transactions finds most pass through just three banks, study finds.
People who put incoming e-mails in folders are no better at finding them than those who simply use search.