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FirstPrinciples
Feb 28
Quantum mechanics: FirstPrinciples Primer
Quantum mechanics describes nature at its smallest scales. Explore its origins, key principles, and profound implications.
FirstPrinciples
Feb 7
General relativity: FirstPrinciples Primer
Explore the history and implications of Albert Einstein’s landmark theory, which transformed our understanding of gravity.
Adam Becker
Jan 24
Baryon acoustic oscillations: Mapping the universe with cosmic echoes
Baryon acoustic oscillations – ripples in the plasma of the early universe – help cosmologists trace its expansion history.
Adam Becker
Jan 3
The oldest light in the universe: The cosmic microwave background
Studying ancient light yields clues about the Big Bang, inflation, and the very early history of the universe.
Adam Becker
Nov 15, 2024
Could we ever travel at the speed of light?
The physics of light-speed travel leave little room for optimism when it comes to achieving this sci-fi fascination.
Ethan Siegel
Oct 24, 2024
What more can we expect from the James Webb Space Telescope?
Two years after JWST's launch, it has rewritten the cosmic history books – and the best is yet to come.
Dan Falk
Sep 25, 2024
Could the “QBism” interpretation solve many of the paradoxes of quantum mechanics?
By focusing on the role of the observer, QBism takes a new approach to quantum mechanics.
Dan Falk
Aug 12, 2024
Multiverse: Science or Fiction?
Is our universe just one of many? Science journalist Dan Falk examines arguments for and against the multiverse.
Ethan Siegel
Jul 25, 2024
Why is the universe so big? And why isn't it bigger?
The universe is unfathomably large, but it could be much larger (or smaller) if it was full of different stuff.
FirstPrinciples
Jul 16, 2024
What are kugelblitze – and why can’t they exist?
If you have never heard of kugelblitze, don't feel bad. They do not exist — and nor, new research proves, can they.
Luna Zagorac
Jul 8, 2024
We live in a cosmic ocean – metaphorically and mathematically
As organisms made of water on a watery planet, it makes sense that we humans have always likened the universe to a vast sea.
FirstPrinciples
Jul 4, 2024
Can hieroglyphs illuminate astrophysics and quantum theory?
Physicists are finding new ways of looking at old problems – and (very) old ways of looking at new problems.
Luna Zagorac
Jun 18, 2024
Physics is the truest form of magic
Nature is magical, and learning the secrets behind its wonders only enhances the spell.
Featured Articles
In conversation: Matt Leifer on quantum foundations
Long-time quantum foundations expert Matt Leifer discusses the field’s evolution, how it’s perceived, and his work around quantum agency.
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Latest Articles
FirstPrinciples
In conversation: Matt Leifer on quantum foundations
Long-time quantum foundations expert Matt Leifer discusses the field’s evolution, how it’s perceived, and his work around quantum agency.
FirstPrinciples
Luna Zagorac
Roan Haggar
FirstPrinciples
Feb 21
In conversation: Matt Leifer on quantum foundations
Long-time quantum foundations expert Matt Leifer discusses the field’s evolution, how it’s perceived, and his work around quantum agency.
FirstPrinciples
Feb 7
Luna Zagorac
Aug 30, 2024
FirstPrinciples
Aug 8, 2024
Roan Haggar
Jul 23, 2024
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