The aurora borealis, or northern lights, that fill the sky in high-latitude regions have fascinated people for thousands of years. But how they're created, while theorized, had not been conclusively proven.
General Physics
Jun 7, 2021
1
2963
Researchers from the Finnish Aalto University and the Technical Research Centre of Finland succeeded in showing experimentally that vacuum has properties not previously observed. According to the laws of quantum mechanics, ...
General Physics
Feb 26, 2013
415
1
(PhysOrg.com) -- Three-dimensional TV is now closer than ever to becoming a reality for consumers, and the latest research is investigating the full extent of 3D TV’s possibilities. In a recent study, researchers at the ...
'Smart glass' can switch from transparent to opaque at the flick of a switch and is increasingly used in cars, aircraft and homes to reduce the Sun's glare and filter out infrared light and heat. Masaki Nakano and colleagues ...
Condensed Matter
Nov 29, 2013
4
0
This NASA/ESA Hubble Space Telescope image features the barred spiral galaxy NGC 3059, which lies about 57 million light-years from Earth. Hubble's Wide Field Camera 3 collected the data in May 2024 as part of an observing ...
Astronomy
Jun 7, 2024
0
60
Light does not travel at the same speed in all directions under the effect of an electromagnetic field. Although predicted by theory, this counter-intuitive effect has for the first time been demonstrated experimentally in ...
General Physics
May 13, 2011
27
0
Using a network of vibrating nano-strings controlled with light, researchers from AMOLF have made sound waves move in a specific irreversible direction and attenuated or amplified the waves in a controlled manner for the ...
General Physics
Jun 1, 2022
0
453
Researchers at the University of California, Berkeley, have found a new way to harness properties of light waves that can radically increase the amount of data they carry. They demonstrated the emission of discrete twisting ...
Optics & Photonics
Feb 25, 2021
3
8408
AMOLF researchers, in collaboration with Delft University of Technology, have succeeded in bringing light waves to a halt by deforming the two-dimensional photonic crystal that contains them. The researchers show that even ...
Optics & Photonics
Apr 24, 2024
3
148
The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen is the most ...
Earth Sciences
Nov 23, 2011
12
1
