Harold Eugene Edgerton took the photograph we were discussing yesterday in our shutter speed tutorial. He invented the Stroboscope which made it possible to freeze fast moving objects like a bullet.
 For information and a demonstration of how a Stroboscope works, go to the following link:

 http://en.wikipedia.org/wiki/Stroboscope

* Students please note that Wikipedia is not the be all and end all of information about everything. You need to be wise about choosing to use information from Wikipedia, it is not an academic site, it is edited by the general public and is not always accurate.