An anonymous reader writes "With a budget of just 350 pounds, two British PhDs in engineering sent a balloon with cameras attached to a height of over 30 km." The photos and video are pretty amazing. Especially the very hi-tech styrofoam box.
I cannot conceive that anybody will require multiplications at the rate
of 40,000 or even 4,000 per hour ...
-- F. H. Wales (1936)