Learn about the anatomy and physics of how we hear, find out about decibels, amplitude, frequency, pitch, sound waves, and to do to protect your hearing inside this interactive exhibit.
Added by Upcoming Robot on August 23, 2012
http://71grad.de/2007/07/12/ankundigung-pl0gbar-hannover-02/
http://wevent.org/events/602-pl0gbar-2
dotdean
http://71grad.de/2007/07/12/ankundigung-pl0gbar-hannover-02/