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Department of Physics and Astronomy

The Department of Physics and Astronomy has a rich and long history dating back to the latter part of the 19th century. Our faculty and students are exploring nature at all length scales, from the subatomic (quarks and gluons) to the macroscopic (black holes and dark energy), and everything in between (atomic and biological systems).

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Stunning images of cosmic dance between galaxies captured by Webb Telescope

COURTHOUSE NEWS — NASA has released new images captured by the James Webb Space Telescope of two interacting galaxies dubbed by the space agency as the “Penguin and Egg.” Purdue University associate professor of physics and astronomy Danny Milisavljevic explains why infrared helps the NASA team get such better pictures of the Penguin and Egg galaxies.

Watch These Supernovas Explode Across Time

NEW YORK TIMES — For the 25th anniversary of the Chandra X-ray Observatory, NASA produced ghostly time-lapse videos of two centuries-old stellar eruptions. This article cites images of Cassiopeia A taken by the James Webb Space Telescope for research from Prof. Danny Milisavljevic, of Purdue PhysAstro. (Subscription required)

Purdue researchers trap atoms forcing them to serve as photonic transistors

Researchers at Purdue University have trapped alkali atoms (cesium) on an integrated photonic circuit, which behaves like a transistor for photons (the smallest energy unit of light) similar to electronic transistors. These trapped atoms demonstrate the potential to build a quantum network based on cold atom-integrated nanophotonic circuits. The team, led by Chen-Lung Hung, associate professor of physics and astronomy at the Purdue University College of Science, published their discovery in the American Physical Society’s Physical Review X.

CNN's The Whole Story With Anderson Cooper: Are We Alone In The Universe?

CNN — Kristin Fisher interviews astronomers, including Prof. Danny Milisavljevic of Purdue PhysAstro, involved in the Webb Telescope's exploration of deep space and dark matter, examining its potential to answer fundamental questions about the universe: Where do we come from, and are we alone?

The future of teaching and learning has arrived

Purdue University’s Envision Center, part of the Rosen Center for Advanced Computing, has developed a virtual reality platform that utilizes the Meta Quest 3 headsets to bring the future of teaching and learning to our doorstep. Developed in conjunction with Professor Danny Milisavljevic, the Collab XR platform is the first of its kind, merging virtual reality (VR), augmented reality (AR), and mixed reality (MR) capabilities with training, research, and education. One of the best features of Collab XR is its ability to allow for co-located mixed-reality learning experiences.

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Department of Physics and Astronomy, 525 Northwestern Avenue, West Lafayette, IN 47907-2036 • Phone: (765) 494-3000 • Fax: (765) 494-0706

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