It has puzzled scientists for over 100 years but now they appear to have cracked it: what, exactly, is it that causes that wince-inducing sound when you pop your knuckles?
Mathematics
Mar 29, 2018
0
419
Small balloons made from one-atom-thick material graphene can withstand enormous pressures, much higher than those at the bottom of the deepest ocean, scientists at the University of Manchester report.
Nanomaterials
Aug 25, 2016
9
351
Most roads allow cars to flow in both directions. However, in some circumstances, such as congested city streets, it makes sense to limit traffic to one direction only. With electricity it is also useful to "rectify"currents ...
Condensed Matter
Nov 19, 2010
1
0
(PhysOrg.com) -- Bubbles are blocking the current path of one of the most promising high temperature superconducting materials, new research suggests.
Superconductivity
May 16, 2011
6
0
Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, a University of Utah engineer has developed an inexpensive ...
Materials Science
Nov 16, 2009
0
0
Scientists studying so-called 'flammable ice' in the Sea of Japan have made a startling discovery—the existence of life within microscopic bubbles.
Earth Sciences
Feb 6, 2020
1
237
When one type of an oxide structure called perovskite is exposed to both water vapor and streams of electrons, it exhibits behavior that researchers had never anticipated: The material gives off oxygen and begins oscillating, ...
Materials Science
Oct 3, 2016
1
7
(PhysOrg.com) -- The mystery surrounding what happens when bubbles collide has finally been busted. And knowing how bubbles bounce apart and fuse together could improve the quality of ice-cream and champagne as well as increase ...
Soft Matter
Jun 3, 2010
0
0
Bubbles in a champagne glass may add a festive fizz to the drink, but microscopic bubbles that form in a material called metallic glass can signal serious trouble. In this normally high-strength material, bubbles may indicate ...
Condensed Matter
Jun 5, 2013
0
0
It's easy to make bubbles, but try making hundreds of thousands of them a minute—all the same size.
Soft Matter
Dec 6, 2018
0
38
