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physics

insights puzzle

When Magic Is Seen in Twisted Graphene, That’s a Moiré

What do moiré patterns seen in optics, art, photography and color printing have to do with superconducting layers of graphene?

quantum information theory

How to Turn a Quantum Computer Into the Ultimate Randomness Generator

Pure, verifiable randomness is hard to come by. Two proposals show how to make quantum computers into randomness factories.

Photo of a silver metal plate with chips mounted on its surface.
Abstractions blog

A New Law to Describe Quantum Computing’s Rise?

Neven’s law states that quantum computers are improving at a “doubly exponential” rate. If it holds, quantum supremacy is around the corner.

Abstractions blog

A Close Look at Newborn Planets Reveals Hints of Infant Moons

Astronomers have discovered a complex planetary system still swirling into existence.

Abstractions blog

Do Brains Operate at a Tipping Point? New Clues and Complications

New experimental results simultaneously advance and challenge the theory that the brain’s network of neurons balances on the knife-edge between two phases.

cosmology

Physicists Debate Hawking’s Idea That the Universe Had No Beginning

A recent challenge to Stephen Hawking’s biggest idea — about how the universe might have come from nothing — has cosmologists choosing sides.

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

Quantum Leaps, Long Assumed to Be Instantaneous, Take Time

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

Art for "A Potent Explanation Emerges for Graphene’s Magic Angle"
Abstractions blog

What’s the Magic Behind Graphene’s ‘Magic’ Angle?

A new theoretical model may help explain the shocking onset of superconductivity in stacked, twisted carbon sheets.

Animated line drawing of Margaret Hamilton, Ellen Fetter, and a Lorenz attractor
chaos theory

The Hidden Heroines of Chaos

The story of the birth of chaos theory has left out two programming pioneers.