Wednesday, April 4, 2012

Real World: NASA Inventions - Polyimide Foam

Learn about the everyday applications of polyimide foam, one of NASA's commercial inventions of the year. This low-density foam can be used as a fire-resistant insulation for ships or to reduce airplane noise.

Tuesday, April 3, 2012

Check Out 2" SoundTrax Acoustic Foam




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Monday, April 2, 2012

John Tindall Levitates with Microgravity Chamber

John Tindall demonstrates a Helmholtz Resonance Chamber where standing sound waves are used to levitate a foam cup. Three speakers emit a 600 hertz tone through wave guides controlling the x - y & z positions within the chamber.