Friday, February 10, 2012

Demonstration of Water Droplets Orbit a Knitting Needle on the ISS

In this YouTube video we watch as astronaut Don Pettit performs a demonstration of the physics of electrical charges and spheres using of all things, knitting needles. The demonstration is instantly fascinating as Pettit releases small droplets along the length of the needle. You can instantly see the correlation to orbital mechanics even though Pettit takes great pains to caution that theses are static fields in operation and that objects orbiting a body in space are gravitational. Still, Pettit never fails to amaze and fascinate. Check this video out.

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