Lawrence Livermore National Laboratory (LLNL) researchers have taken a promising step in improving the reliability of laser-based metal 3-D printing techniques by measuring the emission of electrons from the surface of stainless ...
Materials Science
Dec 3, 2020
0
102
DNA is the hereditary material in the nucleus of all cells in humans and other living organisms. Besides its significance in biology, DNA has also played a specific role in controlling many physical devices. Recently, an ...
Bio & Medicine
Nov 11, 2020
0
15
In a peninsula far, far away, a laser shoots into the sky to study the Antarctic atmosphere at Concordia research station.
Space Exploration
Aug 4, 2020
0
13
It sounds like science fiction—but lasers beating to the rhythm of a live heart is exactly what researchers at the University of St Andrews have developed to improve the understanding of heart failure and to help develop ...
Optics & Photonics
Jun 16, 2020
0
64
UC Santa Barbara researchers continue to push the boundaries of LED design a little further with a new method that could pave the way toward more efficient and versatile LED display and lighting technology.
Optics & Photonics
Jun 3, 2020
0
147
A few minutes into the life of the universe, colliding emissions of light energy created the first particles of matter and antimatter. We are familiar with the reverse process—matter generating energy—in everything from ...
Optics & Photonics
May 29, 2020
26
7864
Researchers in Eindhoven have developed a new type of low-energy, nanoscale laser that shines in all directions. The key to its omnidirectional light emission is the introduction of something that is usually highly undesirable ...
Optics & Photonics
Dec 18, 2018
0
147
An international team of astronomers have discovered an unusual laser emission that suggests the presence of a double star system hidden at the heart of the "spectacular" Ant Nebula.
Astronomy
May 16, 2018
0
180
(Phys.org)—A team of researchers at Princeton University has found a way to cause any atom to mimic the light emissions of any other atom. In their paper published in the journal Physical Review Letters, the team reveals ...
In an electron microscope, electrons are emitted by pointy metal tips, so they can be steered and controlled with high precision. Recently, such metal tips have also been used as high precision electron sources for generating ...
Optics & Photonics
Nov 15, 2016
2
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