Researchers have developed a new way to control and manipulate optical signals by embedding a liquid crystal layer into waveguides created with direct laser writing. The new devices enable electro-optical control of polarization, ...
Optics & Photonics
Mar 4, 2024
0
191
The simplest possible molecule H2+ was one of the very first molecules to form in the cosmos. This makes it significant for astrophysics, but also an important object of research for fundamental physics. However, it is difficult ...
Optics & Photonics
Feb 27, 2024
0
24
Scientists are getting a more detailed look than ever before at the electrons they use in precision experiments.
General Physics
Feb 26, 2024
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40
The recent approval of a CRISPR-Cas9 therapy for sickle cell disease demonstrates that gene editing tools can do a superb job of knocking out genes to cure hereditary disease. But it's still not possible to insert whole genes ...
Biotechnology
Feb 20, 2024
0
148
The U.S. Naval Research Laboratory (NRL), in collaboration with Kansas State University, has discovered slab waveguides based on the two-dimensional material hexagonal boron nitride. This milestone has been reported in the ...
Nanophysics
Feb 15, 2024
0
150
NASA is using a simple but effective technology called Laser Retroreflective Arrays (LRAs) to determine the locations of lunar landers more accurately. They will be attached to most of the landers from United States companies ...
Space Exploration
Feb 13, 2024
0
4
Highly reducing or oxidizing photocatalysts are a fundamental challenge in photochemistry. Only a few transition metal complexes with Earth-abundant metal ions have so far advanced to excited state oxidants, including chromium, ...
Analytical Chemistry
Feb 9, 2024
0
17
Supercontinuum (SC) white light (the spectrum stretching from the near ultraviolet to the infrared wavelengths) has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics and chemistry. Compared ...
Optics & Photonics
Feb 8, 2024
1
11
Pigments in fossil snail shells from Austria dating back 12 million years are the oldest known preserved dyes from the polyene group, as scientists from the Natural History Museum Vienna and the University of Göttingen have ...
Paleontology & Fossils
Feb 8, 2024
0
1
Scientists from the University of Rochester's Laboratory for Laser Energetics (LLE) led experiments to demonstrate an effective "spark plug" for direct-drive methods of inertial confinement fusion (ICF). In two studies published ...
Plasma Physics
Feb 5, 2024
3
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