Quantum, Relativity & Forces Explained | Pixelated Physics

26 articles

Double-slit wall with glowing particles and an interference pattern on the screen behind

Does Observing a Particle Really Change It? Wha...

“Observation changes reality” is the most quoted line in pop quantum physics, and the least precise. Here is what measurement really does to a particle, what has been tested, and...

Does Observing a Particle Really Change It? Wha...

“Observation changes reality” is the most quoted line in pop quantum physics, and the least precise. Here is what measurement really does to a particle, what has been tested, and...

A stone tower of alcoves, each holding one cyan and one magenta orb spinning opposite ways, with one extra orb left outside

Why Can’t Two Electrons Share the Same State? T...

No two identical fermions can occupy the same quantum state. That single rule builds the periodic table, keeps matter from collapsing, and holds up dead stars. Here is how it...

Why Can’t Two Electrons Share the Same State? T...

No two identical fermions can occupy the same quantum state. That single rule builds the periodic table, keeps matter from collapsing, and holds up dead stars. Here is how it...

A broad blue wave of light rippling through a stone hall and collapsing into one bright point at a dark doorway screen

What Is Quantum Measurement, Really? Collapse, ...

Quantum theory predicts measurement results with extraordinary accuracy, yet physicists still disagree about what a measurement is. Here is what is settled, what is tested, and what remains open.

What Is Quantum Measurement, Really? Collapse, ...

Quantum theory predicts measurement results with extraordinary accuracy, yet physicists still disagree about what a measurement is. Here is what is settled, what is tested, and what remains open.

A glowing glass vessel of liquid helium in a frozen cryogenic hall, thin streams of superfluid running down over its base

The Cool Science of Superfluidity: Physics that...

The Cool Science of Superfluidity: Physics that Flows Ever heard of a liquid that flows endlessly without losing energy? That’s the wild world of superfluidity. Superfluids are quantum fluids that...

The Cool Science of Superfluidity: Physics that...

The Cool Science of Superfluidity: Physics that Flows Ever heard of a liquid that flows endlessly without losing energy? That’s the wild world of superfluidity. Superfluids are quantum fluids that...

Two glowing towers before two distant planets, one orange and one blue, joined by a single crackling thread of light

Quantum Entanglement: The Universe's Long-Dista...

Quantum Entanglement: The Universe's Long-Distance Relationship Quantum entanglement is one of the most fascinating—and bizarre—phenomena in physics. Described by Einstein as "spooky action at a distance," it links the measurement...

Quantum Entanglement: The Universe's Long-Dista...

Quantum Entanglement: The Universe's Long-Distance Relationship Quantum entanglement is one of the most fascinating—and bizarre—phenomena in physics. Described by Einstein as "spooky action at a distance," it links the measurement...

A glowing particle smeared into a shimmering cloud of light in a misty twilight forest clearing

Uncertainty is a Lifestyle: Embracing Quantum P...

Uncertainty is a Lifestyle: Embracing Quantum Physics Through Tees Life is unpredictable—and according to quantum physics, so is reality itself. The uncertainty principle is one of quantum mechanics' most intriguing...

Uncertainty is a Lifestyle: Embracing Quantum P...

Uncertainty is a Lifestyle: Embracing Quantum Physics Through Tees Life is unpredictable—and according to quantum physics, so is reality itself. The uncertainty principle is one of quantum mechanics' most intriguing...