The ideas behind the physics — taken at length, and seriously.
Essays on quantum interpretation, entropy and the arrow of time, and the shape of infinity — for readers who already know the equations and want the meaning underneath them.
From Atoms to the Wave Function
Twenty-four centuries, ten interactive exhibits, one question: is reality tiny bits of matter sitting somewhere, or something spread across all of space? Take a side — then watch your model of reality move as the argument unfolds.
Play the essay →The Measurement Problem That Won’t Die
Copenhagen, many-worlds, pilot-wave: what each interpretation actually claims, where they diverge, and why a century on the question still refuses to close.
Play the essay →Why Time Has a Direction Soon
Entropy as a statistical wager, and what the arrow of time is really pointing at.
Whose Motion Is It, Really? Soon
Frames of reference, the Copernican turn, and the long death of the idea that the Earth stands still.
More Than One Infinity Soon
Cantor and the sizes of infinity, and why the continuum hypothesis can be neither proved nor refused.
Where do you stand on quantum mechanics?
Physicists agree on the predictions of quantum mechanics — confirmed, wherever tested, with extraordinary precision. What they have never agreed on is what the theory says the world is like. This instrument asks you eight questions — one commitment each — and then tells you where your answers land: squarely on a named interpretation, in coherent but unclaimed territory, or in conflict, whether with a theorem or with each other. It maps your position and names its costs. It does not, and cannot, tell you which position is true.
Ideas worth the depth.
FundaFirst publishes long essays on the ideas physics and mathematics are actually about — quantum interpretation, entropy and time, the foundations of motion, the sizes of infinity — for readers who already know the equations and want the meaning underneath them. No drills, no syllabus. The idea, taken seriously.