Thought this was a fascinating read. The rocket is sending a sample into space to see how it reacts there. This could be used for prosthetics, robots, I don't know, giant mechanized machinery? Just thought I would share.
The synthetic muscle:
http://www.sciencedaily.com/releases/2015/04/150409162234.htm
NASA blog on the SpaceX launch:
https://blogs.nasa.gov/spacex/2015/03/31/spacex-targeting-april-13-for-station-resupply-launch/
Talk amongst yourselves.