News tagged with silicon dioxide

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, ...

dateJan 31, 2011 in Bio & Medicine
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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.

dateJan 12, 2011 in Biochemistry
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Technology in the extreme

Radio transmitters that can withstand temperatures of up to 900 C could soon be dropped into the depths of the earth to provide early warning of a volcanic eruption.

dateSep 20, 2010 in Engineering
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Taming the wild phonon

(PhysOrg.com) -- Researchers at MIT and elsewhere have succeeded in creating a synthetic crystal that can very effectively control the transmission of heat -- stopping it in its tracks and reflecting it back. ...

dateMar 22, 2010 in General Physics
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