Since 2005
ScienceBiz.com offers links to websites related to biochemistry, reliability engineering, chemist, morality, medical physics, mechanical engineering, earth sciences, materials, astrophysics, nuclear, software, molecular and much more.
Listings
Developing lifter technology; an experimental form of Field-Effect Propulsion being investigated for commercial transportation and payload delivery.
http://www.americanantigravity.com/
Manned missions to Mars, Jupiter, Saturn, and all the outer planets are now possible thanks to a newly developed propulsion system.
http://www.androidpubs.com/
Approaches the problem of lowering the cost to orbit by advocating the idea of a small air-launched suborbital RLV to get to an orbiting spinning tether.
http://www.spacetethers.com/