Explains simply some basic principles involved in space flight.

The gravitational pull of the earth and the challenge to resist it have long inspired artists. Like the Greek vases depicting Sisyphus's endless quest to push h

1. The Weightless World -- 2. Where Have All The Jobs Gone? -- 3. Weightless Work -- 4. Nourishing the Grass Roots -- 5. Fear of Flexibility -- 6. The End of We

"Body Physics was designed to meet the objectives of a one-term high school or freshman level course in physical science, typically designed to provide non-scie

You know what you need to do to lose weight, so why can't you do it? Morbidly obese and desperately unhappy, Gregg McBride asked himself this question for years