Get our introductory offer at only
*$0.99/month for first 3 months
$29.90/month for the next 9 months
WHEN legendary physicist Richard Feynman was called in to help solve the mystery of the 1986 Challenger space shuttle explosion, he didn't use advanced math. Instead, according to his own account of the incident, he talked to the engineers. The workers who actually built the space shuttle, he...