Sidebar by Ed Quillen
Cloud-seeding – April 2004 – Colorado Central Magazine
If you can make snow fall by shooting particles into the sky, can you prevent hail from falling by dispersing particles?
Hailstones, like snowflakes, begin as tiny particles that attract water in clouds. The difference is that snowflakes fall quickly, whereas hailstones get pushed up and down inside the cloud by air currents, gaining layers of ice until they’re so heavy that they fall and pummel the earth.