no small risk
Focus on Nanotechnology: As nanotech products race to the marketplace, researchers are still trying to determine if they could endanger human health.
By Jeffrey Winters

nano-scale armor
Focus on Nanotechnology: Molecular hinges, electrorheological fluids—will they protect tomorrow's infantry? By Michael Abrams

pros and cons of CAD
Computer-aided design is far from perfect, but still pretty great, these experts say. By Jean Thilmany

finding more water
A desalination roadmap seeks technological solutions to make brackish water
drinkable. By Peter Easton

fluid motion
Engineers are seeking more speed for Olympic rowers.
By Nicolas Warzecha and Andreas Spille-Kohoff

input/output
Tiny Tubes Tap Competitive Edge. By Alan S. Brown

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