The ability to turn superconductivity off and on with a literal flip of a switch in so-called "magic-angle twisted graphene" has allowed engineers at Caltech to observe an unusual phenomenon that may shed new light on superconductivity ...
Superconductivity
Jul 8, 2022
0
2584
Ordinarily, light particles—photons—don't interact. If two photons collide in a vacuum, they simply pass through each other.
Quantum Physics
Jun 19, 2017
3
1278
The expansion of the universe at some stage of evolution is well described by the Friedmann model. It was derived from general relativity a hundred years ago, but it is still considered one of the most important and relevant ...
General Physics
Jan 22, 2024
2
219
A multi-university team of researchers has artificially engineered a unique multilayer material that could lead to breakthroughs in both superconductivity research and in real-world applications.
Superconductivity
Mar 3, 2013
56
0
You know how you leave space in a water bottle before you pop it in the freezer—to accommodate the fact that water expands as it freezes? Most metal parts in airplanes face the more common opposite problem. At high altitudes ...
Condensed Matter
Mar 26, 2020
0
862
Per- and polyfluoroalkyl substances (PFAS) are man-made hazardous chemicals that are spread globally in the atmosphere and as a result they can be found in the rainwater and snow in even the most remote locations on Earth. ...
Environment
Aug 2, 2022
0
424
A mystery of the moon that imperiled astronauts and spacecraft on lunar missions has been solved by a Purdue University-led team of scientists as part of NASA's GRAIL mission.
Space Exploration
May 30, 2013
12
1
Which of Earth's features were essential for the origin and sustenance of life? And how do scientists identify those features on other worlds?
Astronomy
May 2, 2019
16
907
Bioelectricity, the current that flows between our cells, is fundamental to our ability to think and talk and walk.
Materials Science
Jan 11, 2022
0
2145
Solar flares—violent explosions on the surface of the sun—can send blasts of radiation hurtling toward Earth. While the planet's magnetic field protects humans on the surface, powerful solar flares can disable satellites, ...
Space Exploration
Jul 31, 2020
135
326
