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quantum physics

insights puzzle

How Randomness Can Arise From Determinism

October 14, 2019

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

September 9, 2019

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

universality

The Universal Law That Aims Time’s Arrow

August 1, 2019

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.

Abstractions blog

Physicists Peer Inside a Fireball of Quantum Matter

July 30, 2019

Experimenters in Germany have glimpsed the kind of strange, non-atomic matter thought to fill the cores of merging neutron stars.

quantum physics

Quantum Darwinism, an Idea to Explain Objective Reality, Passes First Tests

July 22, 2019

Three experiments have vetted quantum Darwinism, a theory that explains how quantum possibilities can give rise to objective, classical reality.

Abstractions blog

The Quantum Theory That Peels Away the Mystery of Measurement

July 3, 2019

A recent test has confirmed the predictions of quantum trajectory theory.

Art for "Quantum Leaps, Long Assumed to Be Instantaneous, Take Time"
quantum physics

Quantum Leaps, Long Assumed to Be Instantaneous, Take Time

June 5, 2019

An experiment caught a quantum system in the middle of a jump — something the originators of quantum mechanics assumed was impossible.

Art for "What Are Feynman Diagrams?"
In Theory

How Feynman Diagrams Revolutionized Physics

May 14, 2019

In the late 1940s, Richard Feynman invented a visual tool for simplifying particle calculations that forever changed theoretical physics.

Art for "With a Simple Twist, a ‘Magic’ Material Has Quietly Become the Biggest Thing in Physics"
quantum physics

With a Simple Twist, a ‘Magic’ Material Is Now the Big Thing in Physics

April 30, 2019

The stunning emergence of a new type of superconductivity with the mere twist of a carbon sheet has left physicists giddy, and its discoverer nearly overwhelmed.