News tagged with tiny particles

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Measuring the seeds of noctilucent clouds

(Phys.org) —A constant stream of space debris flows toward Earth from the rest of the solar system. Large meteors can sometimes survive the intense friction and heat upon entering Earth's atmosphere, but ...

Apr 04, 2013
5 / 5 (1) 1

Sonic lasso catches cells

(Phys.org) —Academics have demonstrated for the first time that a "sonic lasso" can be used to grip microscopic objects, such as cells, and move them about.

Apr 03, 2013
3.8 / 5 (4) 2 | with audio podcast

Titanium dioxide nanoreactor

Tiny particles of titanium dioxide are found as key ingredients in wall paints, sunscreens, and toothpaste; they act as reflectors of light or as abrasives. However with decreasing particle size and a corresponding ...

Feb 21, 2013
5 / 5 (2) 0