How our universe physically works.
Physics
How our universe physically works.
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PHYSICS
Featured Story
Curiosity and Einstein
Before Einstein, mass and energy seemed separate, and gravity was understood as a pulling force. His curiosity opened the door to a deeper picture: mass and energy are equivalent, while gravity reflects the curvature of spacetime. His example reminds us that wisdom begins with curiosity and grows by testing our ideas against reality.
Featured Quote
Philosophy
Quote
“We are all connected to each other biologically, to the Earth chemically, and to the rest of the universe atomically.”
- Carl Sagan
- circa 1980
We Are Stardust
Carl Sagan had many similar quotes to this.
Carl Sagan reminds us that we are intimately connected to the universe. The particles that form our bodies are borrowed from a cosmic pool of just 17 particles and four forces. Even more humbling, the molecules within us were forged in the hearts of stars, linking us directly to the vast cosmos that surrounds us. The wise perspective is humbling: we are not separate things dropped into the cosmos—we are temporary arrangements of the cosmos itself.
Featured FAQ
Science
FAQ
What keeps an electron from collapsing into the nucleus?
Electron Ground State
Thinking well sometimes means recognizing that nature doesn’t always work the way our everyday experience suggests. Rocks fall until something stops them, but electrons follow quantum rules. Their ground state is an energy floor, not a physical barrier. Understanding the difference helps us avoid forcing familiar explanations onto unfamiliar parts of reality.
Updated Tidbits
Physics
Empirical Metaphysics
Forces, fields, and fundamental law.
Physics studies the deepest measurable structures of reality — matter, energy, space, and time. It asks not only how things move, but what they are. From quantum fields to gravitational curvature, physics bridges the gap between what exists and how we describe it. It is metaphysics disciplined by experiment.
Aricle Series
Multi-Part Reads
Deep-Dive Articles
The Double‐slit Experiment Explored
Reality may not be particles afterall. It may be more like waves, vibrations, or strings.
Speculation on Quantum Entanglement: A Missing Mass Puzzle
Quantum entanglement is the link between particles in which measuring one relates to the other instantly.
Speculative Ideas in Science: Rip-Bang, Bigfoot, and Beyond
Speculation has a real place in science and in your worldview, but speculative ideas are not established truths. They are starting points, possibilities, or failed ...
The Nature of Time
Time is not a ticking metronome; it is the ledger of causation.
Empty Space: A Dive into Particle Physics
Empty space is not nothing—it is structured, active, and defined by fields, particles, and forces.
Must-Reads
Particle Physics
The Double‐slit Experiment Explored
Reality may not be particles afterall. It may be more like waves, vibrations, or strings.
Big Bang
The End of the Universe Explained
We do not know the ultimate fate of the universe, but the leading ideas are that it expands forever, collapses and starts over, or ends ...
Astronomy
The Expanding Universe Explained
ΛCDM remains the leading cosmological model because our current best measurements indicate gravity is not strong enough to stop the universe’s expansion.
New Ideas
Particle Physics
Speculation on Quantum Entanglement: A Missing Mass Puzzle
Quantum entanglement is the link between particles in which measuring one relates to the other instantly.
Structure
The Islands-of-Universes Idea
We often talk as if our universe is a self-contained whole, but beyond the limits of observation, we simply do not know what else may ...
Physics
Cosmocycles: A Proposed Cosmic Calendar Based on Cyclic Universe Model
If some version of the Big Crunch model ever returns to favor, we can picture one full cosmic cycle, a kind of cosmic year. Cosmocycles ...
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