NEW SCIENTST: A device intended to suppress hailstorms by blasting out sound waves is being tested in the US by the car manufacturer Nissan.

The company hopes to protect the large fleet of new vehicles made at its plant in Canton, Ohio, from the damage that can be caused by falling hailstones.

Nissan spokesman Frank Limpus told New Scientist that the device works by firing sound waves into a cloud in order to disrupt the formation of hailstones.

The system is said to have a range of 15,000 metres and to generate 120 decibels of noise at ground level when in use. It is also said to switch on automatically when weather conditions conducive to hailstorms are detected.

More here.