Physics
Farewell Special - My Early Years at MIT - Astrophysics - Balloon Astronomy - Super Giant Balloons - 145,000 ft altitude
Exam (final): http://freepdfhosting.com/e305e5c209.pdf
Formula (final): http://freepdfhosting.com/a651773a3b.pdf
Solutions (final): http://freepdfhosting.com/a09cf0b3e6.pdf
Take-home experiment, Transmission Grating: http://freepdfhosting.com/61683f28b1.pdf