<table><tr><th>From:</th><th>David Grosof &lt; &gt; on behalf of David Grosof</th></tr><tr><td>Sent:</td><td>Saturday, May 18, 2013 3:43 AM</td></tr><tr><td>To:</td><td>jeevacation@gmail.com</td></tr><tr><td>Subject:</td><td>Fascinating high-speed photography of a "Prince Rupert's Drop" exploding</td></tr></table>

Hi, Jeffrey,

This little five minute video is truly fascinating; I hope you like it, too. I hope we talk on the phone soon (next week or two).

http://www.youtube.com/watch?v=xe-f4gokRBs

I wonder if there are practical applications of this kind of fast mechanical system, the fast "failure front." Best! d.

David Grosorf

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