Space cannon to shoot payloads into orbit (w/ Video)
Monday, January 18, 2010 - 08:21
in Astronomy & Space
(PhysOrg.com) -- A physicist has proposed using a 1.1 km (3,600 ft) cannon to deliver cargo into orbit, and says the cost would be around $250 per pound, a massive saving on the $5,000 per pound ($2280 per kg) it currently costs to make deliveries using a rocket.