By Joshua Saul
Posted 01.27.2012 at 5:30 pm 3 Comments
Ed Adams, an engineering professor at Montana State University, used to study avalanches from inside a fortified shack. He would attach his shack to a boulder on a mountain, set small explosives in the snowpack, and trigger an avalanche, surrounding the shack.
An accidental shot reveals the active Martian landscape
By Gregory Mone
Posted 03.04.2008 at 12:53 pm 2 Comments
Yesterday, NASA released more than two thousand images from the high-resolution camera onboard the Mars Reconnaissance Orbiter, a spacecraft looping around the Red Planet. One of the highlight photos, taken February 19, shows the cloudy aftermath of an avalanche of ice and dust rushing down a steep slope. The image surprised scientists, and proved that Mars is not just some planet-sized museum, but a very active world.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.