News tagged with solid surfaces

Friction almost vanishes in microscale graphite

(Phys.org) -- In the phenomenon of superlubricity, two solid surfaces can slide past each other with almost no friction. The effect occurs when the solid surfaces have crystalline structures and their lattices ...

Jun 04, 2012 feature
5 / 5 (9) 9 | with audio podcast

Solved: The mystery of the nanoscale crop circles

(PhysOrg.com) -- Almost three years ago a team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) was performing an experiment in which layers of gold mere ...

Mar 02, 2012
3.8 / 5 (10) 4 | with audio podcast

Jumping droplets take a lot of heat

Microscopic water droplets jumping from one surface to another may hold the key to a wide array of more energy efficient products, ranging from large solar panels to compact laptop computers.

Dec 12, 2011
5 / 5 (6) 0 | with audio podcast

Hydrodynamics of writing with ink

For millennia, writing has been the preferred way to convey information and knowledge from one generation to another. We first developed the ability to write on clay tablets with a point, and then settled ...

Nov 21, 2011
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Ingredients involved in splashing revealed

"Splashing" plays a central role in the transport of pollutants and the spread of diseases, but while the sight of a droplet striking and splashing off of a solid surface is a common experience, the actual physical ingredients ...

Nov 21, 2011
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Habitable zones

(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between ...

Aug 22, 2011
4 / 5 (5) 20 | with audio podcast