[flamefront]

Actually if the fibrous nature of asbestos is to be considered a problem, similarly these nanotubes will have to be carefully contained, sorry to say.

[eastsider]

Maybe they could use mylar prophylactics.

[flamefront]

the definition of "asbestos," currently based solely on shape (aspect ratio >10), needs to be modified to take into account the growing body of data indicating that chemically different particles have very different toxicity. Indeed, the mechanisms of toxicity of nanoparticles are still poorly understood -- from proponents in the DOE