A new laser speckle angular measurement (SAM) technique detailed in a paper in Light: Science and Applications demonstrates how slope error measurements can be reduced dramatically. This is important because X-ray mirrors ...
Optics & Photonics
Sep 23, 2021
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61
The Leidenfrost effect is a well-known physical phenomenon first discovered in 1756. It occurs when a liquid is in the proximity of a surface that is significantly warmer than its boiling point. This produces an insulating ...
Over the course of a week this summer, the Massif des Maures in the Var region of southern France fell prey to the flames of an enormous wildfire. For successive days, the fire engulfed the region's unique ecosystems, fuelled ...
Plants & Animals
Sep 23, 2021
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4
Poor preschoolers get fewer chances than wealthier children to bring their prized personal possessions to school. That's what I found in my two-year comparative ethnographic study of two preschools in Madison, Wisconsin. ...
Education
Sep 23, 2021
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55
If you want to reduce your personal impact on the environment, cutting back on eating animal products is one of the simplest things you can do. But becoming vegan and eating only plants is unlikely to be an appropriate solution ...
Environment
Sep 23, 2021
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39
Shock testing is commonly used throughout engineering to determine how a product will do when impacted by something. That something could be anything from the ground to a cruise missile. Like so much else in space exploration, ...
Space Exploration
Sep 23, 2021
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83
The COVID-19 pandemic has provoked a public debate about the value of learning online for elementary school students. Much of this dialog has been negative, with a focus on the experiences that children are missing by not ...
Education
Sep 23, 2021
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1
When warmwater fish species like bass, walleye and crappie that are not native to the Pacific Northwest, but prized by some anglers, overlap with baby spring chinook salmon in reservoirs in Oregon's Willamette River they ...
Plants & Animals
Sep 23, 2021
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246
Female tree skinks can reproduce even when they have not encountered a male for more than a year, by storing sperm from previous mates, according to new research.
Plants & Animals
Sep 23, 2021
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132
The chances of a teenager getting involved in politics is linked to how much education their parents had, according to UCL and University of Roehampton researchers.
Social Sciences
Sep 23, 2021
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3
