(Phys.org)—In a normal rainbow, red is always on "top" while violet is on the "bottom." This is true whether the rainbow is created by a glass prism or by water droplets in the sky, and is due to the way that these materials ...
Two new studies from University of Utah researchers show what can be learned from a short seismic checkup of natural rock arches and how erosion sculpts some arches—like the iconic Delicate Arch—into shapes that lend ...
Earth Sciences
Jun 11, 2020
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149
In-depth review charts the scientific understanding of rainbows and highlights the many practical applications of this fascinating interaction between light, liquid and gas.
Optics & Photonics
Aug 25, 2016
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533
Few people have ever claimed to see three rainbows arcing through the sky at once. In fact, scientific reports of these phenomena, called tertiary rainbows, were so rare—only five in 250 years—that until now many ...
Optics & Photonics
Oct 5, 2011
13
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Even if you are arachnophobic, you probably have seen pictures or videos of Australian peacock spiders (Maratus spp.). These tiny spiders are only 1-5 mm long but are famous for their flamboyant courtship displays featuring ...
Plants & Animals
Dec 22, 2017
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259
In a vast hangar in a north German shipyard, environmental pressure group Greenpeace's latest weapon is nearing completion: the state-of-the-art Rainbow Warrior III.
Environment
Jul 2, 2011
14
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Many people anticipating the creation of an invisibility cloak might be surprised to learn that a group of American researchers has created 25 000 individual cloaks.
General Physics
May 24, 2012
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Fish market vendor Satoshi Nakano knows which fish caught in the radiation tainted sea off the Fukushima coast should be kept away from dinner tables.
Environment
Feb 25, 2016
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77
Colors are often essential to convey scientific data, from weather maps to the surface of Mars. But did you ever consider that a combination of colors could be "unscientific?" Well, that's the case with color scales that ...
Other
Oct 29, 2020
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309
Scientists have yet to fully unravel the mysteries of rainbows, but a group of researchers from Disney Research, Zürich, UC San Diego, Universidad de Zaragoza, and Horley, UK, have used simulations of these natural wonders ...
Computer Sciences
Aug 6, 2012
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