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physics

Q&A

Searching the Sky for the Wobbles of Gravity

The physicist Gabriela González is on the cusp of finding the first direct evidence of gravitational waves — soundlike wobbles in space-time produced by black holes and their kin.

Physics

Visions of Future Physics

Nima Arkani-Hamed is championing a campaign to build the world’s largest particle collider, even as he pursues a new vision of the laws of nature.

Quantized Columns

Einstein’s Parable of Quantum Insanity

Einstein refused to believe in the inherent unpredictability of the world. Is the subatomic world insane, or just subtle?

cryptography

A Tricky Path to Quantum-Safe Encryption

In the drive to safeguard data from future quantum computers, cryptographers have stumbled upon a thin red line between security and efficiency.

Q&A

The Case for Complex Dark Matter

The physicist James Bullock explains how a complicated “dark sector” of interacting particles may illuminate some puzzling observations of the centers of galaxies.

Multimedia

Theories of Everything, Mapped

Explore the deepest mysteries at the frontier of fundamental physics, and the most promising ideas put forth to solve them.

mathematical physics

Famous Fluid Equations Are Incomplete

A 115-year effort to bridge the particle and fluid descriptions of nature has led mathematicians to an unexpected answer.

complex systems

The New Laws of Explosive Networks

Researchers are uncovering the hidden laws that reveal how the Internet grows, how viruses spread, and how financial bubbles burst.

condensed matter physics

Paradoxical Crystal Baffles Physicists

At super-low temperatures, a crystal called samarium hexaboride behaves in an unexplained, imagination-stretching way.