Science off the Sphere: Lenses and Vortices

NASA Astronaut Don Pettit takes advantage of the weightless environment aboard the ISS to do diffusion and lens experiments with pure water. Distributed as part of a collaboration between NASA and the American
Physical Society.

[klseytron]

I love these videos so very much!! Undergrad physics major, this would be my dream job (er pastime i guess)

[beadyslay]

I know there's different types of muscle contractions and organ movements that pushes food/liquid down the body

[mnface]

It regulates the rate and duration of convection? Barring an external energy feed.

[jasonsalajan]

How does the liquid go down threw there bodies?? It must feel wierd?