The twin galaxies NGC 4496A and NGC 4496B dominate the frame in this image from the NASA/ESA Hubble Space Telescope. Both galaxies lie in the constellation Virgo, but despite appearing side-by-side in this image they are ...
Astronomy
Mar 5, 2022
0
142
Quantum dots are nanoscale crystals capable of emitting light of different colors. Display devices based on quantum dots promise greater power efficiency, brightness and color purity than previous generations of displays. ...
Analytical Chemistry
Nov 8, 2022
0
68
University of California, Berkeley, scientists have created a blue light-emitting diode (LED) from a trendy new semiconductor material, halide perovskite, overcoming a major barrier to employing these cheap, easy-to-make ...
Materials Science
Jan 24, 2020
0
352
A team of researchers led by scientists from the American Museum of Natural History has found that catsharks are not only able to see the bright green biofluorescence they produce, but that they increase contrast of their ...
Plants & Animals
Apr 25, 2016
0
710
The expanding shell of gas and dust that surrounds the star is about five light-years wide, which equals the distance from here to the nearest star beyond the Sun, Proxima Centauri.
Astronomy
Apr 23, 2021
3
1210
An invention that promises to revolutionize the way the world lights its homes and offices—and already helps create the glowing screens of mobile phones, computers and TVs— earned a Nobel Prize on Tuesday for two Japanese ...
General Physics
Oct 7, 2014
6
0
Don't be fooled by the name. While 3D printers do print tangible objects (and quite well), how they do the job doesn't actually happen in 3D, but rather in regular old 2D.
Materials Science
Apr 22, 2022
0
45
Heterocyclic compounds are organic molecules with a ring structure comprising at least two or more elements. In most cases, these rings are composed of carbon atoms along with one or more other elements such as nitrogen, ...
Analytical Chemistry
Jan 1, 2024
1
136
If LCD TVs start getting much more colorful—and energy-efficient—in the next few years, it will probably be thanks to MIT spinout QD Vision, a pioneer of quantum-dot television displays.
Nanophysics
Nov 19, 2014
1
2
In 1974 Stephen Hawking famously claimed that black holes should emit particles as well as absorb them. This so-called "Hawking radiation" has not yet been observed, but now a research group from Europe has found that Hawking ...
