Traversable Wormholes - A review of Kip Thorne's research into traversable wormholes www.geocities.com/CapeCanaveral/Hall/5803/tra.html
White Holes and Worm holes - An illustrated overview of the lesser known forms of Schwarzschild geometry. casa.colorado.edu/~ajsh/schww.html
Wormholes and Time Machines - An overview of the effects of a wormhole and the models of time travel machines which use wormholes. www.dd.chalmers.se/~f93jojo/sidan2.htm
