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Tag: Department of Physics and Astronomy

What makes America (and civilization) great

What makes America (and civilization) great

June 7, 2016

Astronomy professor Adam Frank traces the “line from [Ellis] Chesbrough’s audacious plan to make Chicago a clean, functioning city 150 years ago and the invisible infrastructures hiding behind your cell phone” today. / NPR.org

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Researchers demonstrate record optical nonlinearity

Researchers demonstrate record optical nonlinearity

April 28, 2016

A team led by Robert Boyd has demonstrated that the transparent, electrical conductor indium tin oxide can result in up to 100 times greater nonlinearity than other known materials, a potential ‘game changer’ for photonics applications.

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Are we alone? Setting some limits to our uniqueness

Are we alone? Setting some limits to our uniqueness

April 27, 2016

Are humans unique and alone in the vast universe? This question– summed up in the famous Drake equation–has for a half-century been one of the most intractable and uncertain in science. But a new paper shows that the recent discoveries of exoplanets combined with a broader approach to the question makes it possible to assign a new empirically valid probability to whether any other advanced technological civilizations have ever existed.

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Can big data resolve the human condition?

Can big data resolve the human condition?

April 26, 2016

The Kavli HUMAN Project holds great promise for putting big data to the test. But as astronomy professor Adam Frank argue, “with great promise comes great responsibility.” / NPR

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A new way to determine the age of stars?

A new way to determine the age of stars?

March 22, 2016

Rochester researchers have developed a new conceptual framework for understanding how stars similar to our Sun evolve. Their framework helps explain how the rotation of stars, their emission of x-rays, and the intensity of their stellar winds vary with time. According to Eric Blackman, professor of physics and astronomy, the work could also “ultimately help to determine the age of stars more precisely than is currently possible.”

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Rochester scientist discovers new comet

Rochester scientist discovers new comet

March 4, 2016

David Cameron, a visiting scientist in the Department of Physics and Astronomy, has discovered a new comet – the first to be discovered by an astronomer associated with the University or with the Rochester area in over a century, his colleagues believe.

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Rumor of gravitational wave discovery is just that, source says

Rumor of gravitational wave discovery is just that, source says

January 13, 2016

If you follow physics, you have likely heard the rumor by now: Physicists working with a pair of gigantic detectors have finally discovered gravitational waves.

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Classic formula for ‘pi’ connects pure math and quantum mechanics like a ‘magic trick’

Classic formula for ‘pi’ connects pure math and quantum mechanics like a ‘magic trick’

November 24, 2015

Oddly enough, but not that surprising considering the prevalence of pi in nature, researchers from the University of Rochester reached the same formula while they were computing the quantum mechanical energy stats of hydrogen.

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Revealing the hidden connection between pi and Bohr’s hydrogen model

Revealing the hidden connection between pi and Bohr’s hydrogen model

November 17, 2015

[Carl] Hagen turned to his colleague, mathematics professor Tamar Friedmann, who found that they could derive Wallis’s infinite product from the ratio of the approximate energies to the exact energies.

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