Discovery Channel 7KJ Coilgun

A really big coilgun built by Impossible Pictures studio as a technology demonstrator for Discovery Channel.

The television episode is:

Discovery Project Earth
"Engineering the Future"
August 22, 2008
"Professor Roger Angel at the University of Arizona believes that placing trillions of lenses in space can diffract the power of the sun to reduce global warming.”

How do you launch a trillion lenses? With a giant coilgun, of course. I was hired as the coilgun consultant for the 7 kilojoule coilgun that was designed and built in England for this Discovery Channel episode.

On this web site, we provide behind-the-scenes look and technical information:

• Photographs of coilgun
• Space Sunshield project overview
• For background, please read Prof. Angel's Feasibility Study PDF (1MB)
• Technical design notes
• Summary notes from an innocent bystander