New Fertilizer Can’t Make Bombs
Ever since the Oklahoma City bombing in 1995, in which a truck filled with fertilizer parked outside was used as a weapon, Homeland Security has worried about terrorists using fertilizer bombs. They’ve already been used in Baghdad. Now a major company has created fertilizer that cannot be turned into a bomb.
Anil Ananthaswamy writes in New Scientist that the problem is the ammonium nitrate in the fertilizer, which is an essential ingredient. However, Specialty Fertilizer Products has patented a water-soluble polymer coating for the fertilizer granules that repels fuel oil, so it is not flammable. The coating dissolves rapidly in soil, so it won?t interfere with its use as a fertilizer.
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