Microscopes: How They Work

An explanation of how microscopes work, using a ray tracing diagram.

 

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.

Other Science off the Sphere videos

How to make fire from ice

Convergeing lense made from ice...