Nine sources of extremely high-energy gamma rays comprise a new catalog compiled by researchers with the High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory. All produce gamma rays with energies over 56 trillion electron ...
General Physics
Jan 14, 2020
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576
Astrophysicists have come a step closer to understanding the origin of a faint glow of gamma rays covering the night sky. They found that this light is brighter in regions that contain a lot of matter and dimmer where matter ...
General Physics
Jan 14, 2020
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525
Southeast Asia has experienced impacts of climate change in recent decades, including rising temperatures and increasing extreme events. Reliable climate change information in the future is very important for assessing the ...
Earth Sciences
Jan 09, 2020
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11
Cleaning and sanitizing food processing equipment requires using chemicals and copious amounts of water for rinsing those chemicals away. It's possible—if it can be done correctly—that creating microscopic bubbles in ...
Materials Science
Jan 09, 2020
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30
The accurate characterization of near-surface winds is critical to understanding past and modern climate. Dust lifted by these winds has the potential to modify surface and atmospheric conditions, according to a University ...
Earth Sciences
Jan 07, 2020
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38
The Event Horizon Telescope Collaboration released the first image of a black hole with observations of the massive, dark object at the center of Messier 87, or M87, last April. This black hole has a mass of about 6.5 billion ...
Astronomy
Jan 07, 2020
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1919
Small fish are speedy and easy to scare. So how is it that a giant humpback whale, attacking at speeds about as fast as a person jogs, is able to eat enough fish to sustain itself? Combining field studies, laboratory experiments ...
Plants & Animals
Dec 23, 2019
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426
What is the common ground between making a cup of tea and putting on your shoes? Both actions consist of several movements in a row. "Just like language, which is composed of syllables arranged into sentences, many behaviors ...
Plants & Animals
Dec 20, 2019
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351
Extremely acute vision and the ability to rapidly process different visual impressions—these two factors are crucial when a peregrine falcon bears down on its prey at a speed that easily matches that of a Formula 1 racing ...
Plants & Animals
Dec 20, 2019
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39
A series of clips from different angles and at different speeds showing parachute extraction tests using a NASA/JPL test rig powered by compressed air. The lid of the parachute assembly is pulled along a suspended cable ...
Space Exploration
Dec 20, 2019
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