Challenge #2: Find a Way to Build Cheap Hail Pads

DISCOVER Magazine is partnering with Instructables and SciStarter, an online citizen science community, to solve real problems facing researchers. The Citizen Science Contest is your opportunity to help millions of regular people contribute to scientific discovery. Prizes include a Celestron telescope, DISCOVER subscriptions, and time-lapse cameras! But hurry, the deadline is January 21, 2013.