News tagged with silicon dioxide

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

Miniaturized sensors hold up under pressure

Applications as diverse as oil-well drilling and robot-driven surgery are driving demand for improved micro-electromechanical system (MEMS) pressure sensors. As they are made smaller, however, simultaneously ...

Jan 02, 2013
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Antioxidant with a long shelf life

(Phys.org) —Scientists from ETH Zurich have developed a nanomaterial that protects other molecules from oxidation. Unlike many such active substances in the past, the ETH-Zurich researchers' antioxidant ...

Jun 17, 2013
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