Awesome R/C Delta Wing flyer, dubbed The Towel, you can make in a few hours out of Dow insulation blue board, an R/C rig, and model plane parts. They’ve even put together a parts bundle of all the mechanics and radio for under $100.
Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.