News tagged with electron microscope

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Producing clean water in an emergency

Disasters such as floods, tsunamis, and earthquakes often result in the spread of diseases like gastroenteritis, giardiasis and even cholera because of an immediate shortage of clean drinking water. Now, chemistry researchers ...

Feb 23, 2011 4 / 5 (1) 0

The physics of coffee rings

For centuries, intellectuals have met at the ring-stained surfaces of coffee shops to pore over the most pressing problems of the day -- but has anyone ever pondered the coffee rings they left behind? What causes the formation ...

Nov 24, 2010 4.5 / 5 (2) 1 | with audio podcast