The fertilizer ammonium nitrate is cheap, abundant, and highly detonable. It's a key ingredient in many IEDs. Recently, a team in New Mexico has come up with a way to make the fertilizer less explosive.
Fertilizer is perhaps the most common ingredient in IEDs in Afghanistan, Iraq and has also been used in bombs in the United States and around the world. Scientists have tried for years to make ammonium nitrate fertilizer less detonable without success. Until now.