News tagged with coffee ring

Bacterium counteracts 'coffee ring effect'‬

Ever notice how a dried coffee stain has a thicker outer rim, while the middle of the stain remains almost unsoiled? This 'coffee ring effect' also occurs in other materials. Researchers from the Departments ...

May 14, 2013 5 / 5 (5) 0

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Google's ADM phone finder coming this month

Android Device Manager will be available later this month for phones with Android 2.2 or later. The official Android blog carried the announcement last week in a posting by Android product manager, Benjamin ...

Aug 05, 2013 5 / 5 (5) 1 | with audio podcast weblog

Will smart watches find many buyers?

When it comes to the target market for a smart watch, I'm probably it: I love tech, I'm often an early adopter of new gadgets and, until very recently, I was a lifelong watch wearer. But even I'm not sure I really need or ...

Jul 30, 2013 1.5 / 5 (4) 3

Basic science in evaporating droplets

What happens if you slowly evaporate a droplet containing dissolved particles? The question sounds simple, but it involves a surprising amount of basic physics and mathematics. Hanneke Gelderblom of the University ...

Apr 18, 2013 3.8 / 5 (4) 8

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