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Power Tools: Endeavors magazine, Fall 2005, UNC Chapel Hill.

carbon-nanotube x-ray machine.

Physicist Otto Zhou hopes to revamp the x-ray with this carbon-nanotube machine. Photo by Steve Exum, ©2005 Endeavors magazine.

Power Tools

Fuel cells for energy. Tiny tubes for sharper x-rays. Nanoparticles to deliver drugs or genes. Here are three stories about new tools that could save oil, reveal hidden risks, or deliver a cure.

The Physics of Clarity

Nanotubes may inspire a new generation of x-ray machines.


The Chemistry of Energy

Carolina researchers are working to make your battery — and your gas guzzler — obsolete.


Tiny Particles Designed to Deliver a Cure

Nanoparticles may make better drug carriers.