Friday, December 13, 2024

What Is Entropy? A Measure of Just How Little We Really Know.

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STATISTICAL PHYSICS | ALL TOPICS

 

What Is Entropy? A Measure of Just How Little We Really Know.

By ZACK SAVITSKY

Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe's inexorable slide into decay. But entropy, as it's currently understood, is less a fact about the world than a reflection of our growing ignorance. Embracing that truth is leading to a rethink of everything from rational decision-making to the limits of machines.

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QUANTUM COMPUTING

 

Quantum Computers Cross Critical Error Threshold

By BEN BRUBAKER

Researchers have shown that adding more "qubits" to a quantum computer can make it more resilient, an essential step towards practical applications.

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NUMBER THEORY

 

Mathematicians Uncover a New Way to Count Prime Numbers

By JOSEPH HOWLETT

To make progress on one of number theory's most elementary questions, two mathematicians turned to an unlikely source.

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QUANTA SCIENCE PODCAST

 

What Happens in a Mind That Can't 'See' Mental Images

Podcast hosted by JANNA LEVIN
Story by YASEMIN SAPLAKOGLU

Neuroscience research into people with aphantasia, who don't experience mental imagery, is revealing how imagination works.

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Listen to the podcast

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