Thursday, December 29, 2011

The Levitating Slinky video


If you drop a dangling slinky, you would expect it to just fall to the ground but that is not what happens. What actually happens is that the bottom just hovers for a moment until the top collapses on top of it as seem in the video

Monday, December 26, 2011

Comet Harpoon under NASA Development


This video is about the development by NASA of a comet harpoon to retrieve samples from comets and asteroids.

Tuesday, December 20, 2011