There are loads of cool gadgets that you can make with
everyday household objects, and here we showcase a
collection of them. Besides being fun and
useful in their own right, they can help you learn
more about optics and electromagnetism, and we show
you what makes each of these gadgets tick.
Most of them can be built in a couple of hours,
and it is a lot more fun if you build them with a
Copyright © 2009 Shree Nayar. Computer Vision Laboratory,
Columbia University. Bigshot is a registered trademark.