You might remember how, last year, a computer virus completely crippled Iran's nuclear power ambitions.
Iran's much bragged about nuclear program was taken down by a computer worm called Stuxnet. But it wasn't until the worm was examined by a Belarus-based company doing business in Iran that the high level of sophistication behind it became evident.
Patrick Clair has put together this video that explains the anatomy of this computer virus.
An infographic dissecting the nature and ramifications of Stuxnet, the first weapon made entirely out of code. This was produced for Australian TV program HungryBeast on Australia's ABC1