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quantum physics

Animation showing multiple particles of light flowing together and leaving blue trails
Abstractions blog

Graced With Knowledge, Mathematicians Seek to Understand

By Kevin Hartnett
April 8, 2020
Read Later

A landmark proof in computer science has also solved an important problem called the Connes embedding conjecture. Mathematicians are working to understand it.

theoretical physics

Does Time Really Flow? New Clues Come From a Century-Old Approach to Math.

By Natalie Wolchover
April 7, 2020
Read Later

The laws of physics imply that the passage of time is an illusion. To avoid this conclusion, we might have to rethink the reality of infinitely precise numbers.

Abstractions blog

Why Do Matter Particles Come in Threes? A Physics Titan Weighs In.

By Charlie Wood
March 30, 2020
Read Later

Three progressively heavier copies of each type of matter particle exist, and no one knows why. A new paper by Steven Weinberg takes a stab at explaining the pattern.

Illustration of black holes connected by a wormhole.
quantum information theory

Wormholes Reveal a Way to Manipulate Black Hole Information in the Lab

By Philip Ball
February 27, 2020
Read Later

A proposal for building wormhole-connected black holes offers a way to probe the paradoxes of quantum information.

A domino, a two of clubs, and a clock face.
Abstractions blog

Why the Laws of Physics Are Inevitable

By Natalie Wolchover
December 9, 2019
Read Later

By considering simple symmetries, physicists working on the “bootstrap” can rediscover the basic form of the known forces that shape the universe.

Insights puzzle

Solution: ‘Randomness From Determinism’

By Pradeep Mutalik
November 22, 2019
Read Later

Readers’ modifications of a bean machine showed how deterministic laws are capable of producing random-seeming behavior.

Insights puzzle

How Randomness Can Arise From Determinism

By Pradeep Mutalik
October 14, 2019
Read Later

Playing with a simple bean machine illustrates how deterministic laws can produce probabilistic, random-seeming behavior.

An illustration of a pink hand reaching for quantum dice.
Quantized Columns

Where Quantum Probability Comes From

By Sean Carroll
September 9, 2019
Read Later

There are many different ways to think about probability. Quantum mechanics embodies them all.

universality

The Universal Law That Aims Time’s Arrow

By Natalie Wolchover
August 1, 2019
Read Later

A new look at a ubiquitous phenomenon has uncovered unexpected fractal behavior that could give us clues about the early universe and the arrow of time.


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