For most of human history, the stars blazed in an otherwise dark night sky. But starting around the Industrial Revolution, as artificial light increasingly lit cities and towns at night, the stars began to disappear.
Astronomy
Feb 23, 2023
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32
Isaac Newton's theory of light indicates that all colors can be generated from three basic colors: red, green, and blue. RGB (Red, Green, Blue), a light-color structure that contains 3×256 values of letter symbols, and CMYK ...
Optics & Photonics
Feb 2, 2023
2
27
In a new study, a Penn State-led research team discovered evidence that browsing by white-tailed deer had relatively little long-term impact on two tree species in a northern forest.
Ecology
Jan 31, 2023
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62
Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a peculiar cataclysmic variable star. The newly found system, designated SDSS J134441.83+204408.3 (or J1344 for short) is a highly asynchronous, ...
It was one of the first famous images revealed by the James Webb Space Telescope earlier this year: a stunning shroud of gas and dust illuminated by a dying star at its heart.
Astronomy
Dec 11, 2022
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87
Using data from various space telescopes, astronomers have investigated a variable X-ray source known as SWIFT J0503.7-2819. Results of the study suggest that this source is an intermediate polar. The finding was detailed ...
A team of UCF researchers have proven the efficacy of a nanomaterial-based disinfectant they developed to combat the spread of the COVID-19 virus. Through their experiments, they found that the disinfectant was able to kill ...
Bio & Medicine
Sep 21, 2022
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75
Using the AstroSat spacecraft, Indian astronomers have investigated an open cluster known as NGC 2506. The study identified more than 2,000 member stars of this cluster and provided more insights into its properties. The ...
A Florida State University research team has developed a new way to create blue light from a class of materials that shows enormous potential for optoelectronic devices, including solar cells, light-emitting diodes (LEDs) ...
Materials Science
Aug 26, 2022
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244
When early humans discovered how to harness fire, they were able to push back against the nightly darkness that enveloped them. With the invention and widespread adoption of electricity, it became easier to separate heat ...
Analytical Chemistry
Aug 16, 2022
1
586
