When you're frying something in a skillet and some droplets of water fall into the pan, you may have noticed those droplets skittering around on top of the film of hot oil. Now, that seemingly trivial phenomenon has been ...
General Physics
Aug 13, 2021
2
749
In Harvard's Pierce Hall, the surface of a small germanium-coated gold sheet shines vividly in crimson. A centimeter to the right, where the same metallic coating is literally only about 20 atoms thicker, the surface is a ...
Nanophysics
Oct 14, 2012
1
0
A team of researchers working at the University of Twente has solved the mystery of why a drop of oil bounces repeatedly when dropped in a water/ethanol gradient but eventually falls to the bottom of a jar. In their paper ...
(Phys.org) —A team of researchers led by Soko Matsumura of Dundee University in Scotland has found evidence that appears to explain the inordinately large numbers of big boulders found on the surface of asteroids. In their ...
Splash a few drops of water on a hot pan and if the pan is hot enough, the water will sizzle and the droplets of water seem to roll and float, hovering above the surface.
General Physics
May 24, 2024
0
72
A small team of researchers at the University of California has developed a theory to explain the shape of tears of wine. They have written a paper describing their theory and uploaded it to the arXiv preprint server—it ...
(Phys.org) -- The fragile and rapidly changing Arctic region is home to large reservoirs of methane, a potent greenhouse gas. As Earth's climate warms, the methane, frozen in reservoirs stored in Arctic tundra soils or marine ...
Earth Sciences
Apr 22, 2012
39
0
(Phys.org)—Many researchers studying superconductivity strive to create a clean, pure, perfect sample, but a team of physicists found that some flaws might hold the key to a material's unique abilities.
Superconductivity
Aug 23, 2012
34
0
They're the non-stick on Teflon cookware, the stain resistance in Scotchgard, and the suppression factor in firefighting foam, but while the staying power of PFAS chemicals was once revered, it's now infamous as PFAS substances ...
Plants & Animals
May 2, 2022
0
52
You might think that a pair of parallel plates hanging motionless in a vacuum just a fraction of a micrometer away from each other would be like strangers passing in the night—so close but destined never to meet. Thanks ...
Nanophysics
Oct 23, 2013
2
1
