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Fundamental physics

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It Might Be Possible to Detect Gravitons After All

October 30, 2024

A new experimental proposal suggests detecting a particle of gravity is far easier than anyone imagined. Now physicists are debating what it would really prove.

Q&A

Can Space-Time Be Saved?

September 25, 2024

Curious connections between physics and math suggest to Latham Boyle that space-time may survive the jump to the next theory of reality.

Physicists Reveal a Quantum Geometry That Exists Outside of Space and Time

September 25, 2024

A decade after the discovery of the “amplituhedron,” physicists have excavated more of the timeless geometry underlying the standard picture of how particles move.

If the Universe Is a Hologram, This Long-Forgotten Math Could Decode It

September 25, 2024

A 1930s-era breakthrough is helping physicists understand how quantum threads could weave together into a holographic space-time fabric.

The #1 Clue to Quantum Gravity Sits on the Surfaces of Black Holes

September 25, 2024

A black hole formula worked out in the 1970s remains the most concrete clue physicists have about the threads of the space-time fabric.

The Two Faces of Space-Time

September 25, 2024

A mysterious phenomenon known as duality often leads to new discoveries in physics. This time, space-time itself can sometimes be two things at once.

Q&A

The Logic That Must Lie Behind a New Physics

September 25, 2024

The philosopher Karen Crowther digs into how the space-time fabric could possibly emerge from something non-spatiotemporal.

The Thought Experiments That Fray the Fabric of Space-Time

September 25, 2024

These three imagined scenarios lead many physicists to doubt that space-time is fundamental.

John Wheeler Saw the Tear in Reality

September 25, 2024

Until his dying days, the giant of 20th-century physics obsessed over the underpinnings of space and time, and how we can all share the same version of them.

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