1. 451

3. WORK CITED
1. Robot dog, photoed by User:Mountain at Shanghai Science and
Technology
Museum:http://commons.wikimedia.org/wiki/File:Robot_dog.jpg
2. 16:31, 11 July 2007 MarcusObal Category:Nature
3. 19:25, 25 November 2008 File Upload Bot (Magnus Manske)
4. 00:37, 26 May 2005 GDK Category:Nuclear tests
5. 14:30, 6 April 2008 Janssend
6. 07:40, 29 September 2007 CarolSpears
7. 05:39, 13 November 2008 Raysonho Category:York
8. 05:37, 28 July 2009 Leestuartx
9. 00:44, 20 April 2010 Skeezix1000