News tagged with silicon dioxide

IBM introduces new graphene transistor

(PhysOrg.com) -- In a report published in Nature, Yu-ming Lin and Phaedon Avoris, IBM researchers, have announced the development of a new graphene transistor which is smaller and faster than the one they i ...

Apr 11, 2011 report
4.9 / 5 (25) 22 | with audio podcast

Detecting lethal diseases with rust and sand

The next big thing in medical diagnostics could be minutes particles of rust, iron oxide, coated with the material from which sand is formed, silicon dioxide. These magnetic nanoparticles, a mere 29 to 230 nanometers across, ...

Jan 31, 2011
5 / 5 (2) 0 | with audio podcast

Virus killer gets supercharged

A simple technique to make a common virus-killing material significantly more effective is a breakthrough from the Rice University labs of Andrew Barron and Qilin Li.

Jan 12, 2011
4.4 / 5 (9) 7 | with audio podcast