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Renowned Physicist to Deliver Van Winter Memorial Lecture

Paul Steinhardt's lecture will focus on natural quasicrystals. He is a professor of physics and astrophysical sciences at Princeton University.

The 2012 Van Winter Memorial Lecture: Paul Steinhardt and Quasicrystals

Each year, the Department of Mathematics and the Department of Physics and Astronomy jointly organize the Van Winter Memorial Lecture, which brings in distinguished speakers to give lectures on matters of common interest to mathematicians and physicists.

This year's speaker is Paul Steinhardt, professor of physics and astrophysics at Princeton University, and director of the Princeton Center for Theoretical Sciences. In this podcast, we spoke to Sumit Das, who will be hosting the lecture, about some of professor Steinhardt's research.

Professor Steinhardt's lecture will be titled, "Once Upon a Time in Kamchatka: the Extraordinary Search for Natural Quasicrystals." The presentation will be on Friday, March 23, from 3:15 pm to 4:15 pm, in room 139 of the Chemistry-Physics building.

In short, a quasicrystal is a type of structure that shows rotational symmetry, but is not periodic -- it doesn't have a pattern that repeats over a distance. Quasicrystals can be composed of sets of a few shapes that are arranged to fill up a space, and although they may have radial patterns, these do not repeat around the crystal in any noticeable order. Usually, it has been thought that crystals can only have two-, four-, or six-sided radial patterns, but quasicrystals can have five-sided rotational symmetry as well, such as in these structures:

A Penrose tiling of thick and thin rhombi.An atomic model of fivefold icosahedral-Al-Pd-Mn quasicrystal surface.A Penrose tiling using thick and thin rhombi.

 

 

 

 

 

This podcast was produced by Stephen Gordinier.

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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

UK Student's Work Featured in Lexington Philharmonic Experiment

A composition by UK music, film and Spanish sophomore Ben Norton has been selected for the Lexington Philharmonic's New Music Experiment, which is highlighting new work from composers. The work will be part of a workshop early next week and will be showcased at a concert on Feb. 17, at Singletary Center for the Arts.

Chellgren Center Names Three New Endowed A&S Professors

Janet Eldred, Michael Kovash, and Carl Lee are the three newest endowed professors at the Chellgren Center

Math is Poetry: Ben Braun

Ben Braun is an assistant professor in the Mathematics Department. In the summer of 2011, he led a research program for undergraduate mathematics students.

In this podcast, Ben talks about his own research interests, discusses what the program was like for students, answers the two questions every mathematician gets asked and says that math is a liberal art.


Produced by: Stephen Gordinier

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

UK Professors Lighting the Way

Solar energy has been around for a while now, but John Anthony, Michel Jabbour and Chi-Sing Man are part of a team that was recently awarded a National Science Foundation grant to develop new ways to catch and convert light to electricity. Anthony, a professor in the Department of Chemistry, describes the project, and his collaboration with mathematicians Jabbour and Man. 

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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

A&S Selects New Chairs

The University of Kentucky College of Arts & Sciences has appointed new chairs to many of its departments for the 2011-2012 year.

Diverse Interests: Kim Clark

Kim Clark works for the UK Mathematics Department as accounting staff, but her involvement on campus doesn’t stop there! In addition to helping organize the A&S Diversity Committee, she is also an active member of the UK Women’s Forum.

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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

Justin Taylor

Justin Taylor

Ph.D. Student

By Megan Neff
Photos by Mark Cornelison

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