An international team of astronomers has performed a long-term multiwavelength study of a distant gamma-ray emitting blazar known as 1ES 0647+250. Results of the research, published November 23 on arXiv.org, yield important ...
A team of scientists from the Department of Energy's Ames National Laboratory has developed a new characterization tool that allowed them to gain unique insight into a possible alternative material for solar cells. Under ...
Optics & Photonics
Nov 15, 2022
2
748
Gamma-ray bursts (GRBs) have been detected by satellites orbiting Earth as luminous flashes of the most energetic gamma-ray radiation lasting milliseconds to hundreds of seconds. These catastrophic blasts occur in distant ...
Astronomy
Nov 11, 2022
0
270
While conventional photodetectors can only measure light intensity, the light field contains much richer information. This information includes but is not limited to phase, polarization, and spectrum.
Optics & Photonics
Nov 4, 2022
0
12
Spectrometers are widely used throughout industry and research to detect and analyze light. Spectrometers measure the spectrum of light—its strength at different wavelengths, like the colors in a rainbow—and are an essential ...
Optics & Photonics
Oct 20, 2022
0
187
The James Webb and Hubble telescopes on Thursday revealed their first images of a spacecraft deliberately smashing into an asteroid, as astronomers indicated that the impact looks to have been much greater than expected.
Space Exploration
Sep 29, 2022
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833
Photosynthesis is probably the most important chemical reaction for life on Earth. It is the process plants use to transform sunlight into energy it can use. Through it, plants can produce carbohydrates they can use (and ...
Astrobiology
Sep 26, 2022
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5
The images to emerge from the James Webb Space Telescope have captured details of the cosmos never seen before, leaving the scientific community and public alike in a state of awe. In a Tweet, former President Barack Obama ...
Astronomy
Sep 6, 2022
1
19
The James Webb Space Telescope (JWST) captured images of a brown dwarf with silicate particles in its atmosphere. In their paper posted on the arXiv preprint server, astronomers describe their analysis of the brown dwarf ...
A new class of motorized molecules that kill specific bacteria shows promise to curb the threat of antibiotic resistance to human health.
Biochemistry
Aug 25, 2022
0
93
