Double amputee Jason Koger, 34, of Owensboro, Ky., smiles during an interview with the Associated Press, Thursday, May 2, 2013, in Philadelphia. Koger, a husband and father of three who lost his limbs... more 
Double amputee Jason Koger, 34, of Owensboro, Ky., smiles during an interview with the Associated Press, Thursday, May 2, 2013, in Philadelphia. Koger, a husband and father of three who lost his limbs in an accident, can now activate with an iPhone app 24 different grip patterns for his new bionic hands. (AP Photo/Matt Rourke) less 
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Associated Press | Photo By Matt Rourke
Fri, May 3, 2013 1:40 PM EDT