Ultrafast lasers used to probe next-generation solar cells
Researchers have tracked the first fractions of a second after light strikes solar cells, providing insights into how they produce electricity.
Researchers have tracked the first fractions of a second after light strikes solar cells, providing insights into how they produce electricity.
General Physics
Jun 14, 2022
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71
Solar flares are among the most violent explosions in our solar system, but despite their immense energy—equivalent to a hundred billion atomic bombs detonating at once—physicists still haven't been able to answer exactly ...
Astronomy
Jun 8, 2022
1
511
In the early 2000s, a new set of data revised the chemical abundances at the surface of the sun, contradicting the values predicted by the standard models used by astrophysicists. Often challenged, these new abundances made ...
Astronomy
May 31, 2022
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1070
Solar sailing technology has been a dream of many for decades. The simple elegance of sailing on the light waves of the sun does have a dreamy aspect to it that has captured the imagination of engineers as well as writers. ...
Space Exploration
May 31, 2022
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93
On March 26, the ESA's Solar Orbiter made its closest approach to the sun so far. It ventured inside Mercury's orbit and was about one-third the distance from Earth to the sun. It was hot but worth it.
Space Exploration
May 26, 2022
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80
What do you do when a tried-and-true method for determining the sun's chemical composition appears to be at odds with an innovative, precise technique for mapping the sun's inner structure? That was the situation facing astronomers ...
Astronomy
May 23, 2022
6
2372
NASA has indicated that 5,030 extrasolar planets have been confirmed in 3,772 systems, with another 8,974 candidates awaiting confirmation. With next-generation instruments like the James Webb Space Telescope (JWST) coming ...
Astronomy
May 23, 2022
1
69
Powerful flares, breathtaking views across the solar poles, and a curious solar "hedgehog" are among the haul of spectacular images, movies and data returned by Solar Orbiter from its first close approach to the sun. Although ...
Astronomy
May 19, 2022
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221
Peach skin coloration is an important quality that affects the commercial value of the fruit. However, how light affects its coloration remains unclear.
Molecular & Computational biology
May 19, 2022
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4
When stars like our sun use up all their fuel, they shrink to form white dwarfs. Sometimes such dead stars flare back to life in a super-hot explosion and produce a fireball of X-ray radiation. A research team from several ...
Astronomy
May 11, 2022
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1990