Want to make ice cream in 30 seconds, using liquid nitrogen? No problem.
How about an automatic beer-making, storing, and pouring machine? You can make one.
Video games your thing? Build a beautiful arcade table for your home.
Think watching movies in the backyard would be fun? We do, too! All the projects definitely struck a chord with the Austin audience. Next year we'll bring some scantily clad punk-rock fire dancers and a bike modded out with LED lights, and we'll be a total shoo-in. —Megan Miller
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.