Physicists Make Real-Life Tractor Beam From Plain Ol' Water

You don't need to be a beach bum to understand waves: they move objects along with them, pushing boats and swimmers to the shore. There's even a name for it, the Stokes drift model. But for the first time, physicists have figured out how to do the opposite, using waves to bring a floating object backward to the source » 4/09/14 11:00am 4/09/14 11:00am

Star Gaze in the City, Take Out an Elk, and Chat with Friends

Chatting with all your friends on your phone usually can mean switching between five IM clients at once. Well, today you can save a few bucks by chatting in the one IM client to rule them… okay, sorry about that. Plus: keep an eye on the stars for free and go hunting for Bambi and all his woodland friends. I hear… » 12/06/11 4:00pm 12/06/11 4:00pm