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

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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New approach uses “twisted light” to increase the efficiency of quantum cryptography systems

New approach uses “twisted light” to increase the efficiency of quantum cryptography systems

March 20, 2015

Rochester researchers and their collaborators have developed a way to transfer 2.05 bits per photon by using “twisted light.” The new approach doubles the 1 bit per photon that is possible with current systems that rely on light polarization and could help increase the efficiency of quantum cryptography systems.

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National tech leaders to advise University’s new Institute for Data Science

National tech leaders to advise University’s new Institute for Data Science

March 2, 2015

A ten-member advisory committee made up of representatives from leading high-technology companies, industry and academia will meet for the first time this week.

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Renowned expert to describe breakthroughs in data science

Renowned expert to describe breakthroughs in data science

February 27, 2015

Eric Horvitz, director of Microsoft Research, will show how breakthroughs in the new field of data science are solving previously intractable problems in clinical medicine, public health, transportation, disaster recovery, and many other areas.

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A close call of 0.8 light years

A close call of 0.8 light years

February 16, 2015

A recently discovered dim star likely passed some 70,000 years ago through our solar system’s distant cloud of comets known as the Oort Cloud. No other star is known to have ever approached our solar system this closely.

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A picture is worth 1000 words, but how many emotions?‬

A picture is worth 1000 words, but how many emotions?‬

February 5, 2015

During a political campaign voters will often share their views through pictures posted on social media. A human could recognize one as being a positive portrait of the candidate and the other one negative. Professor ‪Jiebo Luo and his collaborators are training computers to make the same assessments.

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Generating Möbius strips of light

Generating Möbius strips of light

January 29, 2015

A collaboration between researchers from Canada, Europe, and Rochester has experimentally produced Möbius strips from the polarization of light, confirming a theoretical prediction that it is possible for light’s electromagnetic field to assume this peculiar shape.

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New app would monitor mental health through “selfie” videos, social media

New app would monitor mental health through “selfie” videos, social media

January 29, 2015

In a paper to be presented this week at the American Association for Artificial Intelligence conference in Austin, Texas, computer science professor Jiebo Luo and his colleagues describe a computer program that can analyze “selfie” videos recorded by a webcam as the person engages with social media.

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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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