The Quantum Cat

The Quantum Cat in 2026

First, I want to take the opportunity to say thank you to all of you for reading, for subscribing, and for your kind feedback.

Jan 4 • Alastair Williams

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December 2025

The Year in Space and Physics

A look back at the trends and news of 2025

Dec 31, 2025 • Alastair Williams

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The Week in Space and Physics: Shades of Dark Matter

On dark matter, the sterile neutrino, Martian lightning, and the end of MAVEN.

Dec 17, 2025 • Alastair Williams

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Notes On Learning Hard Things

Reflections on the art of studying physics

Dec 1, 2025 • Alastair Williams

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November 2025

The Week in Space and Physics: The Lost Sisters of the Pleiades

On the stars of the Pleiades, a superflare from a black hole, the second flight of New Glenn, and the aurora.

Nov 25, 2025 • Alastair Williams

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The Biggest Solar Flare of 2025

A flare hits Earth. But when will a really big one come?

Nov 14, 2025 • Alastair Williams

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How Many Alien Civilizations Exist In Our Galaxy?

On the equations and odds of alien intelligence

Nov 9, 2025 • Alastair Williams

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The Week in Space and Physics: The Next Footprints on the Moon

On NASA's effort to get back to the Moon, the future of space stations, interstellar comets, and the last satellite around Venus.

Nov 5, 2025 • Alastair Williams

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October 2025

The Hasselblad Cameras of Project Mercury

On the beginning of NASA's long relationship with Hasselblad cameras

Oct 31, 2025 • Alastair Williams

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The Week in Space and Physics: The Nobel Prize

On the Nobel Prize, the purest star yet known, hints of an exomoon, and a sign of life around Saturn.

Oct 23, 2025 • Alastair Williams

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The Myth and Mystery of The Tunguska Impact

What was it that exploded over Siberia in 1908?

Oct 9, 2025 • Alastair Williams

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On Progress and Revolution in Physics

Thoughts on the nature of science

Oct 3, 2025 • Alastair Williams

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