This is a collection of the best predictions made by Popular Mechanics" writers between 1903 & 1969. It features original visually stunning artwork & a free poster. Each chapter is introduced by astrophysics professor & former NASA advisor Gregory Benford. Between 1903 & 1969 scientists & other experts made hundreds of predictions in " Popular Mechanics" about what the future would hold. Here are the very best of them complete with the original visually stunning retro art plus chapter introductions by astrophysics professor science-fiction author & former NASA advisor Gregory Benford."