Planes powered by cheap reusable rockets could be the future of space transportation. But don't look to NASA: the initiative is coming from a group of small, maverick companies.
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Biomimicry finds engineering solutions in the natural world.
Cables have the Gadget Master tied up in knots. Will Bluetooth set him free?
As the bombardment of Baghdad escalates, MIT professor and security expert Owen Cote discusses these "smart" munitions and other tools in the high-tech U.S. arsenal.
New networks mimic the behavior of insects and bacteria.
A subway planned for Iraq's capital was never built-or was it? Saddam's biggest secret may be a weapon of mass transit.
How can you protect yourself from biological and chemical weapons? Forget duct tape. The answer is blowing in the wind.
What do Microsoft, Kevin Bacon, and cell-signaling pathways have in common? According to sociologist Duncan Watts, all three are part of the new science of networks.
Want to protect your home? Or just be Big Brother? Low-cost surveillance cameras and easy-to-use webcams make it possible.