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Technology

Microwaves could defuse bombs from afar

15 April 2009

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

An improvised bomb is blown up by an Explosive Ordinance Disposal Special Unit in northern Iraq in late 2005. Bomb disposal is a notoriously dangerous job

(Image: Filippo Monteforte / AFP / Getty)

THE next weapon in the US army’s arsenal could be a laser-guided microwave blaster designed to destroy explosives.

The weapon, called the Multimode Directed Energy Armament System, uses a high-power laser to ionise the air, creating a plasma channel that acts as a waveguide for the stream of microwaves. The device could destroy the electronic fuse of an explosive device or missile, such as a roadside bomb,…

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