News tagged with silicon dioxide

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.

Sep 20, 2010
4.8 / 5 (5) 0 | with audio podcast

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. ...

Mar 22, 2010
4.9 / 5 (22) 9 | with audio podcast

Sensitive nano oscillator can detect pathogens

(PhysOrg.com) -- By watching how energy moves across a tiny device akin to a springing diving board, Cornell researchers are a step closer to creating extraordinarily tiny sensors that can instantly recognize ...

Mar 11, 2010
5 / 5 (4) 0 | with audio podcast

Ancient Volcanic Eruptions Still Taking Lives

(PhysOrg.com) -- A cancer epidemic under way in southeast China may have been initiated by a string of Siberian volcanoes that spewed ash across the Earth 250 million years ago, according to a study published ...

Jan 13, 2010
4.4 / 5 (9) 6 | with audio podcast