Search for tag: "physics"

Andrea J. Liu - How materials can learn to function

How does learning occur? In the context of neural networks, learning occurs via optimization, where a loss function is minimized to achieve the desired result. But physical networks such as…

From  Katie Gentilello on April 8th, 2021 1 plays 0  

Ruth Murray-Clay - Origins of Structure in Inner Planetary System

Why do many stars host close-in chains of super-Earths? Why are eccentric gas giants found in some inner planetary systems? What determines which of these outcomes will occur around a particular…

From  Katie Gentilello on March 11th, 2021 0 plays 0  

Predrag Cvitanović, Erin Wells-Bonning - Understanding the 2020 Nobel Prize in Physics + Q&A

Georgia Tech School of Physics professor and Glen P. Robinson Chair in Nonlinear Sciences Chair Predrag Cvitanović and Emory University Senior Lecturer and Director of the Planetarium Erin Wells…

From  Katie Gentilello on January 20th, 2021 3 plays 0  

Michael P. Brenner - Machine Learning for Partial Differential Equations

When Newton's laws are applied in every point in space we arrive at a set of nonlinear partial differential equations describing the world. We often marvel at the complexity of the solutions,…

From  Katie Gentilello on November 30th, 2020 22 plays 0  

Alper Erturk - Leveraging nonlinear dynamics in mechanical and electromechanical structures

This talk will review some of our recent and ongoing efforts on the leveraging of nonlinear dynamics in passive and active structures, spanning from nonlinear energy harvesting using piezoelectric…

From  Katie Gentilello on November 6th, 2020 30 plays 0  

Julia Yeomans - Self-propelled topological defects

Active materials such as bacteria, molecular motors and eukaryotic cells continuously transform chemical energy taken from their surroundings to mechanical work. Dense active matter shows mesoscale…

From  Katie Gentilello on October 28th, 2020 6 plays 0  

Peter J. Hirschfeld - Superconductivity: There's Plenty of Cream at the Bottom

In 1961, Brian Pippard gave a speech at IBM called "The Cat and the Cream", in which he declared that the superconductivity field was finished, at least for "young innocents who wish…

From  Katie Gentilello on October 21st, 2020 10 plays 0  

Andrew Zangwill - A Mind Over Matter: the Life and Science of Philip Anderson

Dr. Zangwill presents a biographical survey of the life and science of Nobel Laureate Philip W. Anderson, arguably the most productive and influential theoretical physicist of the second half of the…

From  Katie Gentilello on October 15th, 2020 39 plays 0  

James Sethna - Sloppy models, differential geometry, and why science works

Models of systems biology, climate change, ecology, complex instruments, and macroeconomics have parameters that are hard or impossible to measure directly. If we fit these unknown parameters,…

From  Katie Gentilello on October 4th, 2020 6 plays 0  

Aomawa L. Shields - Recipe for a Habitable Planet

The discovery of numerous small exoplanets has brought the search for life beyond the Solar System into sharp focus on many potentially habitable worlds where life may exist. However, many factors…

From  Katie Gentilello on September 23rd, 2020 9 plays 0  

Philip Kim - Stacking atomic layers: quest for new materials and physics

Modern electronics heavily rely on the technology to confine electrons in the interface layers of semiconductors. In recent years, scientists discovered that various atomically thin van der Waals…

From  Katie Gentilello on September 18th, 2020 6 plays 0  

Taekjip Ha - Revisiting and Repurposing the Double Helix

DNA is an iconic molecule that forms a double helical structure, providing the basis for genetic inheritance, and its physical properties have been studied for decades. In this talk, I will present…

From  Katie Gentilello on September 2nd, 2020 12 plays 0  

Professor Debate on the Topic - Do We Live In a Simulation?

Do we live in a simulation? The School of Physics and the Society of Physics Students will host a public debate between faculty from the College of Science and the College of Computing to answer…

From  Katie Gentilello on November 20th, 2019 278 plays 0  

John Wise, Gongjie Li - Cosmology and Exoplanets: Unpacking the 2019 Nobel Prize in Physics

Cosmology studies the universe at the largest scales, applying the laws of physics over billions of light years and all the way back to the universe's infancy. In dozens of groundbreaking…

From  Katie Gentilello on November 7th, 2019 53 plays 0  

David Hu - Cube-Shaped Poo and Georgia Tech's Second Ig Nobel Prize

How does a wombat produce cube-shaped feces? How long does it take an elephant to urinate? Answering these two questions have landed David Hu two Ig Nobel Prizes, awards given at Harvard University…

From  Katie Gentilello on October 25th, 2019 77 plays 0  

John Preskill - Quantum Computing and the Entanglement Frontier

The quantum laws governing atoms and other tiny objects seem to defy common sense, and information encoded in quantum systems has weird properties that baffle our feeble human minds. John Preskill…

From  Katie Gentilello on April 24th, 2019 90 plays 0