Space & PhysicsMarch 1, 2000
To Mars by Way of Its Moons
Phobos and Deimos would make ideal staging areas
Stories by S. Fred Singer
S. FRED SINGER is director of the Science and Environmental Policy Project in Fairfax, Va., and professor at George Mason University. A pioneer in the use of rockets (captured German V-2s) to investigate the upper atmosphere and near-Earth space, he was the first director of the National Weather Satellite Center. He devised the cosmic-ray method of dating meteorites and was among the first to study the origin and evolution of the Martian moons.
EnvironmentSeptember 1, 1970
Human Energy Production as a Process in the Biosphere
In releasing the energy stored in fossil and nuclear fuels man accelerates slow cycles of nature. The waste products of power generation then interact with the fast cycles of the biosphere
Space & PhysicsNovember 1, 1954
The Origin of Meteorites
Before they crash to earth these stony or metallic objects are exposed to cosmic rays. Helium produced by this bombardment provides a new clue to the planetary catastrophes of the past