News tagged with silicon dioxide

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

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
4 / 5 (1) 0