If a Graffiti Printer Writes With Sand Is It Still Really Vandalism?

Gijs van Bon's Skryf machine is far from the world's first automatic graffiti machine. But it could be the first that won't have law enforcement ready to throw the cuffs on him. That's because the self-propelled device uses a modified CNC milling machine to 'print' messages on the ground using nothing but harmless… » 1/30/14 6:00pm 1/30/14 6:00pm

Scientists Flattened a Desert With Bulldozers to Study Sand Dunes

Six years ago, a patch of land in the Inner Mongolian desert became unnaturally flat. Researchers, for the sake of science, had razed 40 acres—or the equivalent of eight city blocks—of desert. Then, for three and half years, they set up cameras and watched as small piles of sand grew and grew into full-fledged sand… » 1/13/14 12:20pm 1/13/14 12:20pm

Rebuild Lost Empires From Sand--At Least Temporarily

Forget bulging muscles or a toned set of abs. If you really want to impress everyone on the beach this summer, a stunning sand castle is the way to go. And if your sculpting skills max out at Play-Doh snakes, these architectural sand castle molds will let you re-build the most stunning structures from past empires,… » 6/24/13 5:00pm 6/24/13 5:00pm

Two Meteorites Discovered In Antarctica May Be From The Same Supernova

There's nothing more fascinating or TV special-worthy than twins separated at birth. Whether they're reunited at 15 or 50 it's safe to say that there'll be some eerily similar food preferences and a whole lot of crying. But what about two chemically identical grains of silica that haven't seen each other for more than… » 4/28/13 1:00pm 4/28/13 1:00pm