For the first time, an international group of astronomers have seen the heat glow of two ice giant planets colliding, and the resultant dust cloud then move in front of the parent star several years later. The star ASASSN-21qj—named ...
Astronomy
Oct 11, 2023
0
42
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require ...
Optics & Photonics
Sep 18, 2023
0
43
As the number of cores in a processor continues to grow, so too does the challenge of connecting them all together. Traditional electrical networks fall short due to latency, limited bandwidth, and high-power consumption. ...
Optics & Photonics
Aug 28, 2023
0
16
A new technology being pioneered at Caltech is allowing researchers to "evolve" optical devices and then print them out using a specialized type of 3D printer. These devices are made of so-called optical metamaterials that ...
Nanophysics
Jul 17, 2023
0
113
The ocean's color has changed significantly over the last 20 years, and the global trend is likely a consequence of human-induced climate change, report scientists at MIT, the National Oceanography Center in the U.K., and ...
Earth Sciences
Jul 13, 2023
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119
Researchers have developed the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing ultrashort, bright visible-wavelength pulses could be useful ...
Optics & Photonics
Jul 6, 2023
1
203
NASA's MAVEN (Mars Atmosphere and Volatile EvolutioN) mission acquired stunning views of Mars in two ultraviolet images taken at different points along our neighboring planet's orbit around the sun.
Planetary Sciences
Jun 23, 2023
0
30
Using ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA), astronomers have created a vast infrared atlas of five nearby stellar nurseries by piecing together more than one million images. These large mosaics ...
Astronomy
May 11, 2023
0
30
Every giant was once a baby, though you may never have seen them at that stage of their development. NASA's James Webb Space Telescope has begun to shed light on formative years in the history of the universe that have thus ...
Astronomy
Apr 24, 2023
111
284
Following in the footsteps of the Neptune image released in 2022, the NASA/ESA/CSA James Webb Space Telescope has taken a stunning image of the solar system's other ice giant, the planet Uranus. The new image features dramatic ...
Astronomy
Apr 6, 2023
0
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