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quantum electrodynamics

Latest Articles

Video in which a white circle appears in the center of a blue starry field and grows until whiteness engulfs the whole image.
explainers

How the Physics of Nothing Underlies Everything

By Charlie Wood
August 9, 2022
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The key to understanding the origin and fate of the universe may be a more complete understanding of the vacuum.

Illustration of planets and other objects floating above the deformable sheet of space-time.
The Joy of Why

Where Do Space, Time and Gravity Come From?

By Steven Strogatz
May 4, 2022
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Einstein’s description of curved space-time doesn’t easily mesh with a universe made up of quantum wavefunctions. Theoretical physicist Sean Carroll discusses the quest for quantum gravity with host Steven Strogatz.

Math Meets QFT

Nathan Seiberg on How Math Might Complete the Ultimate Physics Theory

By Kevin Hartnett
June 24, 2021
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Even in an incomplete state, quantum field theory is the most successful physical theory ever discovered. Nathan Seiberg, one of its leading architects, talks about the gaps in QFT and how mathematicians could fill them.

Math Meets QFT

Mathematicians Prove 2D Version of Quantum Gravity Really Works

By Charlie Wood
June 17, 2021
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In three towering papers, a team of mathematicians has worked out the details of Liouville quantum field theory, a two-dimensional model of quantum gravity.

Math Meets QFT

The Mystery at the Heart of Physics That Only Math Can Solve

By Kevin Hartnett
June 10, 2021
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The accelerating effort to understand the mathematics of quantum field theory will have profound consequences for both math and physics.

water molecules, droplets and a wave
Abstractions blog

How Mathematical ‘Hocus-Pocus’ Saved Particle Physics

By Charlie Wood
September 17, 2020
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Renormalization has become perhaps the single most important advance in theoretical physics in 50 years.

Art for "What Are Feynman Diagrams?"
In Theory

How Feynman Diagrams Revolutionized Physics

By Thomas Lin
May 14, 2019
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In the late 1940s, Richard Feynman invented a visual tool for simplifying particle calculations that forever changed theoretical physics.

Quantized Columns

How Feynman Diagrams Almost Saved Space

By Frank Wilczek
July 5, 2016
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Richard Feynman’s famous diagrams weren’t just a way to do calculations. They represented a deep shift in thinking about how the universe is put together.

Q&A

A ‘Rebel’ Without a Ph.D.

By Thomas Lin
March 26, 2014
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A conversation with the mathematical physicist Freeman Dyson on quantum electrodynamics, climate change and his latest pet project.

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