Weatherwatch: discredited but still popular, enthusiasts keep faith in hail cannon
Weatherwatch: discredited but still popular, enthusiasts keep faith in hail cannon David Hambling © Provided by The Guardian Photograph: Jeff Pachoud/AFP/Getty Images Mysterious booms shaking the small town of Hammonton in New Jersey in December were traced to a backyard attempt at cloudbusting. Construction worker Rob Butkowski built a device resembling a giant horn to fire shockwaves into the sky, aiming to prevent hail damaging his vines. The device mixes acetylene and oxygen and detonates them in an ear-splitting explosion, which the 5-metre horn directs upwards. Techni...
Source: msn.com