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.
"We are on the verge: Today our program proved Fermat's next-to-last theorem."
-- Epigrams in Programming, ACM SIGPLAN Sept. 1982