Indecent exposure

Navigating the minefield of airborne nanoparticle exposure Nanotechnology—like other emerging technologies—presents a dilemma:  If you’re making new substances with uncertain health risks, how low is low enough when it comes to managing exposure? The issue is...

Carbon nanotubes rock—literally!

I’m sitting at my computer watching a surreal balletic movie—a sheet of highly aligned carbon nanotubes is being slowly stretched, then allowed to slowly contract.  In the background is a soundtrack of traditional-sounding Chinese music. At least I think the...