This page of Hyperphysics, from Georgia State University, uses elasticity to explain why a baby needs help--like a smack on the bottom--to take its first breath and also why people with emphysema have so much difficulty...

Home page of the Bell Jar, a journal of vacuum technique and related topics for amateur investigators. The Bell Jar provides up-to-date information on vacuum technique and apparatus specifically targeted toward those...

This page from Hyperphysics illustrates the relationship between tension, pressure, and radius in a balloon. The same ideas are then applied to the walls of spherical and cylindrical containers. Several links provide...

This video demonstrates that a person can stand on a bed of nails without hurting their feet due to the force being spread out over a large area. It is part of a collection of typical lecture demonstration videos put...

This video demonstrates the operation of a Venturi meter. The experiment shows the dependence of air pressure on the gas velocity. It is part of a collection of typical lecture demonstration videos put together by the...