Leonor Sierra

Leonor Sierra is press officer for science and engineering. She covers computer science, electrical and computer engineering, laboratory for laser energetics, optics, mechanical engineering, physics and astronomy, and the Office of the Dean of Engineering and Applied Sciences.

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Leonor Sierra's Latest Posts

Gigantic ring system around J1407b much larger, heavier than Saturn’s

Gigantic ring system around J1407b much larger, heavier than Saturn’s

January 26, 2015

Rochester astronomers, along with colleagues at the Leiden Observatory in the Netherlands have discovered that the ring system that they see eclipse the very young Sun-like star J1407 is of enormous proportions, much larger and heavier than the ring system of Saturn.

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Laser-generated surface structures create extremely water-repellent metals

Laser-generated surface structures create extremely water-repellent metals

January 20, 2015

Scientists at the Institute of Optics have used lasers to transform metals into extremely water repellent, or super-hydrophobic, materials without the need for temporary coatings.

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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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Photon camp gives high school students exposure to optics

Photon camp gives high school students exposure to optics

July 3, 2014

During their week at Photon Camp, 18 students from several local high schools and the Bergen Academy in New Jersey will attend lectures in the mornings, and get some hands on experience in the laboratory during the afternoons.

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“Compressive sensing” provides new approach to measuring a quantum system

“Compressive sensing” provides new approach to measuring a quantum system

June 27, 2014

Physicists have shown that a technique called compressive sensing offers a way to measure both variables at the same time, without violating the Uncertainty Principle.

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Robert Boyd awarded honorary doctorate by University of Glasgow

Robert Boyd awarded honorary doctorate by University of Glasgow

June 23, 2014

Robert Boyd, professor of optics and physics and a pioneer in the field of nonlinear optical physics, will be awarded an honorary doctor of science degree this summer by the University of Glasgow in Scotland.

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Trapping light: a long lifetime in a very small place

Trapping light: a long lifetime in a very small place

June 16, 2014

Physicists have created a silicon nanocavity that allows light to be trapped 10 times longer than in other similarly-sized optical cavities. Nanocavities are key components of nanophotonics circuits.

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CEIS awarded grant to fund national photonics roadmap

CEIS awarded grant to fund national photonics roadmap

May 8, 2014

The National Institute of Standards and Technology (NIST) has awarded $500,000 to the Center for Emerging and Innovative Sciences to lead the development of a national roadmap for photonics.

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Experiment on earth demonstrates effect observed in space

Experiment on earth demonstrates effect observed in space

April 30, 2014

Streaming jets of high-speed matter produce some of the most stunning objects seen in space. an experiment by French and American researchers using extremely high-powered lasers offers experimental verification of one proposed mechanism for creating them.

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Vision scientist named to National Academy of Sciences

Vision scientist named to National Academy of Sciences

April 29, 2014

Optics professor David Williams, a leading experts on human vision, has been named a member of the National Academy of Sciences in recognition of his continuing achievements in original research. The honor is one of the highest given to a scientist in the United States.

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