Agricultural photovoltaics (AV) is a concept developed in the 1980s that combines agriculture and solar energy production on the same land. Practitioners grow crops under solar panels and can control the amount and wavelength ...
Biotechnology
Jul 14, 2023
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26
Using NASA's Swift spacecraft, an international team of astronomers has discovered a luminous and slowly-evolving nuclear transient event. The origin of the newly detected transient, designated Swift J221951-484240, is yet ...
Astronomers at the University of Sydney have shown that a small, faint star is the coldest on record to produce emission at radio wavelength.
Astronomy
Jul 13, 2023
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296
A new paper in Genome Biology and Evolution, published by Oxford University Press, finds that the annulated sea snake, a species of venomous snake found in ocean waters around Australia and Asia, appears to have evolved to ...
Evolution
Jul 13, 2023
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67
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
Refractive index—the ratio of the speed of electromagnetic radiation in a medium to its speed in a vacuum—can be modulated fast enough to generate photonic time crystals (PTCs) in the near-visible part of the spectrum, ...
Optics & Photonics
Jul 7, 2023
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1327
Lasers with ultra-low threshold and compact size are highly desirable components in photonic integrated circuits, aiming at the application of optical communications, chip-scale solid-state LIDAR and quantum information. ...
Optics & Photonics
Jul 7, 2023
0
19
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
Depictions of the Milky Way show a coiling pattern of spiral "arms" filled with stars extending outward from the center. Similar patterns have been observed in the swirling clouds of gas and dust surrounding some young stars—planetary ...
Astronomy
Jul 6, 2023
0
34
Launched on July 1, 2023, the European Euclid mission will observe billions of galaxies over one-third of the sky to create a map of the Universe. But Euclid's map will be in black and white; telescopes in Hawai'i, including ...
Space Exploration
Jul 3, 2023
0
1
