On boingboing [boingboing.net], I saw a link to a near space balloon project, in which a helium balloon was sent up to a 30km altitude with GPS, a camera, etc.
The pictures are quite amazing.
A parachute system was devised in order to recover the equipment. The flight time was a little over two hours, and some simple tools were used to determine the flight trajectory (and to make sure the equipment was not going to land in a body of water).
I love seeing technical challenges like this, and how people choose to solve them.
Labels: electronics, linkage
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