Sabine Hossenfelder

Contributing Columnist

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The Double Life of Black Holes

January 29, 2019

Perfect black holes are versatile mathematical tools. Just don’t mistake them for the real thing.

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The End of Theoretical Physics As We Know It

August 27, 2018

Computer simulations and custom-built quantum analogues are changing what it means to search for the laws of nature.

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Black Hole Echoes Would Reveal Break With Einstein’s Theory

March 22, 2018

Gravitational waves have opened up new ways to test the properties of black holes — and Einstein’s theory of gravity along with them.

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Why an Old Theory of Everything Is Gaining New Life

January 8, 2018

For decades, physicists have struggled to create a quantum theory of gravity. Now an approach that dates to the 1970s is attracting newfound attention.

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String Theory Meets Loop Quantum Gravity

January 12, 2016

Two leading candidates for a “theory of everything,” long thought to be incompatible, may be two sides of the same coin.

About the author

Sabine Hossenfelder is a theoretical physicist based at the Frankfurt Institute for Advanced Studies in Frankfurt, Germany. She frequently writes about foundational issues in physics on her blog Backreaction. She is the author of Lost in Math: How Beauty Leads Physics Astray.