Pelitier-based cooling/heating backpack

[max weisel] recently created a peltier-based cooling/heating system that fits into a backpack. the system uses two peltier units, each running at 91.2 watts, with computer heat sinks mounted on one side of the unit to dissipate the excessive amounts of heat generated. while he was originally trying to build a cooling backpack, the use of the peltier units meant that the cool side would become warm when the direction of current was switched, meaning that the backpack could become a heating backpack with the flip of a switch. in order to power the two peltier units, he uses two 12v motorcycle batteries, weighing in at around 5 pounds each. while this backpack might be a little heavy for your back, it looks promising for anyone who needs to keep things cool (or warm) on the go.

The History of Computing as Told by Pixelated Dancing Scientists (and Jim Guthrie)

For most, the history of computing is a dry,boring,and fairly complex subject(unless you're a geek).But Canadian animators Superbrothers teamed up with singer-songwriter and this awesome dude named Jim Guthrie to create this amazing music video that'll prove you wrong. The story: two heavily-pixelated scientists have a dance battle that echoes the transition from primitive '60s computers to today's cloud computing. The video is after the jump.

DOT MATRIX REVOLUTION* from superbrothers on Vimeo.