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Katie McCormick

Contributing Writer

Illustration of a glass box illuminated inside by a red lightbulb. A ray of green light shoots out of the box.
quantum physics

Puzzling Quantum Scenario Appears Not to Conserve Energy

By Katie McCormick
May 16, 2022
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By resolving a paradox about light in a box, researchers hope to clarify the concept of energy in quantum theory.

A sphere enclosing a space with hyperbolic geometry.
quantum gravity

Symmetries Reveal Clues About the Holographic Universe

By Katie McCormick
January 12, 2022
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Physicists have been busy exploring how our universe might emerge like a hologram out of a two-dimensional sheet. New clues have come from the symmetries found on an infinitely distant “celestial sphere.”

fundamental physics

Gravitational Waves Should Permanently Distort Space-Time

By Katie McCormick
December 8, 2021
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The “gravitational memory effect” predicts that a passing gravitational wave should forever alter the structure of space-time. Physicists have linked the phenomenon to fundamental cosmic symmetries and a potential solution to the black hole information paradox.

Orange spheres representing quantum bits.
explainers

How Quantum Computers Will Correct Their Errors

By Katie McCormick
November 16, 2021
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Quantum bits are fussy and fragile. Useful quantum computers will need to use an error-correction technique like the one that was recently demonstrated on a real machine.

quantum physics

An Ultra-Precise Clock Links the Quantum World With Gravity

By Katie McCormick
October 25, 2021
Read Later

Time was found to flow differently between the top and bottom of a single cloud of atoms. Physicists hope that such a system will one day help them combine quantum mechanics and Einstein’s theory of gravity.

About the author

Katie McCormick is a science writer based in Seattle. Her work has appeared in Aeon, Discover and Scientific American, and she frequently contributes video scripts to PBS’s Space Time. She has a Ph.D. in quantum physics.

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