jizmonkey writes "This guy built
a balloon to
take digital aerial photographs from thousands of feet up. It cost
less than $50 altogether, including the image sensor, controller, and
balloon. The circuit is surprisingly straightforward: just a hacked Vivitar
minicamera, a 555 timer
chip driving a relay through a voltage regulator, and a one-meter
party balloon like the ones you see at used car dealerships. It just so
happens that the entire circuit, strapped to a piece of a pizza box and
tied to a really long string, is light enough to be lifted by the balloon.
What could low-cost aerial photography be used for? I'm sure some people have
If a subordinate asks you a pertinent question, look at him as if he had
lost his senses. When he looks down, paraphrase the question back at him.