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Swirling around the planet’s equator, the rings of Saturn are a dead giveaway that the planet is spinning at a tilt. The belted giant rotates at a 26.7-degree angle relative to the plane in which it o...
MIT chemists have devised a new chemical reaction that allows them to synthesize a phosphorus-containing ring, using a catalyst to add phosphorus to simple organic compounds called alkenes.
Tree rings and Iceland's Laki volcano eruption:A closer look at climate（图）
Tree rings Iceland Laki volcano eruption A closer look climate
2021/2/5
By reading between the lines of tree rings, U.S. National Science Foundation-funded researchers at the University of Arizona reconstructed what happened in Alaska the year the Laki Volc...
Penn Physicists Discover Why Drying Liquid Crystal Drops Leave Unusual “Coffee Rings”（图）
Penn Physicists Drying Liquid Crystal Drops Coffee Rings
2017/7/21
In previous papers, University of Pennsylvania physicists investigated the “coffee ring effect,” the ring-shaped stain of particles left after drops of coffee evaporate. In one paper, they learned how...
Rings around young star suggest planet formation in progress
Rings around young star planet formati progress
2016/12/27
Rice University astronomers and their colleagues have for the first time mapped gases in three dark rings around a distant star. The rings mark spaces where planets are thought to have formed from dus...
UMD Physicists Discover “Smoke Rings” Made of Laser Light（图）
UMD Physicists Smoke Rings Laser Light
2016/9/29
Most basic physics textbooks describe laser light in fairly simple terms: a beam travels directly from one point to another and, unless it strikes a mirror or other reflective surface, will continue t...
Vortex rings may aid cell delivery,cell-free protein production
Vortex rings cell delivery cell-free protein production
2016/8/23
Some of the world’s most important discoveries – penicillin, vulcanized rubber and Velcro, to name a few – were made by accident. In fact, it’s been said that upward of half of all scientific discover...
From Endangered Fish to Saturn's Rings: NASA Science Highlighted at American Geophysical Union Meeting
Endangered Fish Saturn's Rings American Geophysical Union Meeting
2009/12/18
NASA researchers are presenting a wide range of science results at the 2009 fall meeting of the American Geophysical Union. The meeting opens Dec. 14 and continues through Friday, Dec. 18, at the Mosc...