In Pictures: The weirdest, wackiest and coolest sc...
The Mission: Impossible TV show famously started most episodes with a tape recorded mission message that ended with: "This tape will self-destruct in 5 seconds, good luck Jim." Then it melted down in a burst of smoke and flame.
DARPA researchers seem to want to take that sort of destructive notion quite a few steps further by designing electronics - particularly smartphones and other devices - that can melt or at least partially dissolve to the point that they would be useless to anyone else who came across them.
In Pictures: The weirdest, wackiest and coolest sci/tech stories of 2013 so far