The Palo Alto Research Center is using ink-jet printing technology to develop a disposable patch that can be worn on a soldier’s helmet for seven days to measure his or her exposure to blasts. 
Researchers are developing a cheap, lightweight plastic strip that can be worn on a soldier’s helmet to help diagnose brain injury.

 Pretty sure someone got fired over this one
So what does it look like when a rocket blows up right after launch? The “fire raining from the sky” adds a dramatic touch to this crazy story. Second video after the jump.

 
Would not want to go up against this thing!
The US Army is deploying armed robots in Iraq that are capable of breaking Asimov’s first law that they should not harm a human. Video after the jump.