British Energy's 3-D Tour of Sizewell Power Station - http://www.british-energy.com/
3-D wireframe graphics overlaid with photographs. Uses Shockwave plug-in, which automatically downloads if you do not have it already installed.
"Deep Cold" - http://www.deepcold.com/
Spacecraft which were planned but never flew, secrets from the Cold War, and speculation about what might have happened if it had continued! As illustrated by 3D computer graphics.
Physics and Technology
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