[merloen]

Wasn't there a military program for dropping metal rods from space? Does this sound at all familiar to anyone?

[neworbit]

Yes - kinetic kill ideas are pretty sound.

http://en.wikipedia.org/wiki/Kinetic_bombardment#Project_Tho...

Lifting that much mass into orbit is pricy though.

[aaronbrethorst]

Sure, but only from Neal Stephenson's Anathem: http://anathem.wikia.com/wiki/Rod

[hedgehog]

Kinetic cruise missiles: http://en.wikipedia.org/wiki/Project_Pluto

[tsotha]

It was never a program, just an idea.