Proton therapy is a precise and effective treatment for tumors in sensitive areas of the body, such as the brain or the eyes, with the advantage that it spares healthy tissue. In this procedure, protons (positively charged ...
Optics & Photonics
Feb 1, 2022
0
65
Drilling with the beam of an electron microscope, scientists at the Department of Energy's Oak Ridge National Laboratory precisely machined tiny electrically conductive cubes that can interact with light and organized them ...
Optics & Photonics
Jan 28, 2022
1
98
A Lancaster physicist has proposed a radical solution to the question of how a charged particle, such as an electron, responded to its own electromagnetic field.
General Physics
Jan 25, 2022
6
895
Laser beams can do more than just heat things up; they can cool them down too. That is nothing new for physicists who have devoted themselves to precision spectroscopy and the development of optical atomic clocks. But what ...
Quantum Physics
Dec 13, 2021
0
439
The laws of quantum physics are not only extraordinary—they also offer some far-reaching and unique possibilities for advanced information processing, quantum computing and cryptography. So far, the basic building blocks ...
Quantum Physics
Nov 10, 2021
1
1000
Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers—which employ a tightly focused laser beam to hold living cells, nanoparticles ...
Optics & Photonics
Oct 21, 2021
1
69
An international team performed the world's first measurement of how the size of the radium nucleus modifies the structure of molecules containing different radium isotopes. The research used a combination of lasers and ion ...
Quantum Physics
Oct 18, 2021
0
27
In 1965, scientists Robert Burns Woodward and Roald Hoffmann devised a set of rules to predict the outcome of electrocyclic reactions, an important class of reactions in organic chemistry. The Woodward-Hoffmann rules explain ...
Biochemistry
Oct 15, 2021
0
138
At Technische Universität Darmstadt, the world's first operation of a multi-turn superconducting linear accelerator with significant energy recovery succeeded. The experiment at the university's electron linear accelerator ...
General Physics
Sep 28, 2021
2
157
The photocathode drive laser is one of the key parts of the beam test system of the Platform of Advanced Photon Source (PAPS). Recently, the researchers from Institute of High Energy Physics (IHEP) of the Chinese Academy ...
Optics & Photonics
Sep 10, 2021
0
24
