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Tag: Department of Physics & Astronomy

Close encounters of a tidal kind could lead to cracks on icy moons

Close encounters of a tidal kind could lead to cracks on icy moons

May 25, 2016

Until now, it was thought the cracks on icy moons such as Pluto’s Charon were the result of processes like plate tectonics. But new computer models suggest that the pull exerted by another object might have been the cause.

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A digital ‘Rochester Cloak’ to fit all sizes

A digital ‘Rochester Cloak’ to fit all sizes

May 19, 2016

Using the same mathematical framework as the Rochester Cloak, researchers have been able to use flat screen displays to extend the range of angles that can be hidden from view. Their method lays out how cloaks of arbitrary shapes, that work from multiple viewpoints, may be practically realized in the near future using commercially available digital devices.

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Drawing a line between quantum and classical: Bell’s Inequality fails test as boundary

Drawing a line between quantum and classical: Bell’s Inequality fails test as boundary

July 21, 2015

The best guide to the boundary between our everyday world and the “spooky” features of the quantum world has been a theorem called Bell’s Inequality, but now a new paper shows that we understand the frontiers of that quantum world less well than scientists have thought.

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Three Rochester scientists receive prestigious NSF CAREER awards

Three Rochester scientists receive prestigious NSF CAREER awards

March 25, 2015

The National Science Foundation has granted its most prestigious award in support of junior faculty, the Faculty Early Career Development (CAREER) Program, to three University researchers: Antonio Badolato, Danielle Benoit, and Michael Neidig.

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Researchers show neutrinos can deliver not only full-on hits but also ‘glancing blows’

Researchers show neutrinos can deliver not only full-on hits but also ‘glancing blows’

December 30, 2014

In what they call a “weird little corner” of the already weird world of neutrinos, physicists have found evidence that these tiny particles might be involved in a surprising reaction. In an experiment conducted with the international MINERvA collaboration at Fermilab, physics professor Kevin McFarland and his students and colleagues provide evidence that neutrinos can sometimes interact with a nucleus but leave it basically untouched, resulting in a new particle being created out of a vacuum.

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What aliens can teach us about global warming

What aliens can teach us about global warming

November 9, 2014

In the vastness of the universe, it’s very likely that other life forms have also evolved to an extent that they altered the atmosphere of their planets. If we looked at climate change as a predictable consequence of intelligent life — and a process that tends to follow specific patterns — we might be better equipped to figure out how to stop it.

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One step closer to the elusive invisibility cloak (video)

One step closer to the elusive invisibility cloak (video)

October 13, 2014

We’re still a long way from donning real invisibility cloaks, but by working out a better way to bend light, scientists from the University of Rochester can make movable objects invisible to the viewer — multi-directionally, and in three dimensions.

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Scientists show you how to make an invisibility cloak (sort of)

Scientists show you how to make an invisibility cloak (sort of)

September 24, 2014

Physicists have figured out the optical parameters for a magic trick they characterize as a kind of “invisibility cloak” — and unlike most magicians, they’re only too willing to show you how it’s done. “We just figured a very simple way of doing that can just be using standard lenses, and things that we normally find in the lab,” physics professor John Howell said in a video explaining the setup.

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