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Physics


Latest Popular


Astronomy Biology Chemistry Cosmology Deep Time Earth Science Ecology & Environmental Sciences Evolution Genetics History of Science Human Evolution Mathematics Physics Quantum Theory
Essay/Computing & Artificial Intelligence
Is this life real?

Philosophers and physicists say we might be living in a computer simulation, but how can we tell? And does it matter?

Matthew Francis

Essay/Deep Time
Light dawns

Light travels at around 300,000 km per second. Why not faster? Why not slower? A new theory inches us closer to an answer

Sidney Perkowitz

Essay/Astronomy
In the beginning

Cosmology has been on a long, hot streak, racking up one imaginative and scientific triumph after another. Is it over?

Ross Andersen

Essay/Philosophy of Science
Our quantum problem

When the deepest theory we have seems to undermine science itself, some kind of collapse looks inevitable

Adrian Kent

Essay/History of Ideas
Physics’s pangolin

Trying to resolve the stubborn paradoxes of their field, physicists craft ever more mind-boggling visions of reality

Margaret Wertheim

Essay/Physics
Minding matter

The closer you look, the more the materialist position in physics appears to rest on shaky metaphysical ground

Adam Frank

Essay/Philosophy of Science
The cold fusion horizon

Is cold fusion truly impossible, or is it just that no respectable scientist can risk their reputation working on it?

Huw Price

Essay/Philosophy of Science
Too many worlds

Nobody knows what happens inside quantum experiments. So why are some so keen to believe in parallel universes?

Philip Ball

Essay/Logic
Why things happen

Either cause and effect are the very glue of the cosmos, or they are a naive illusion due to insufficient math. But which?

Mathias Frisch

Essay/Physics
Parallel worlds

If human history turns on the tilt of the multiverse, can we still trust our ideas of achievement, progress and morality?

Andrew Crumey

Essay/Quantum Theory
Black-hole computing

Might nature’s bottomless pits actually be ultra-efficient quantum computers? That could explain why data never dies

Sabine Hossenfelder

Essay/Quantum Theory
Quantum common sense

Despite its confounding reputation, quantum mechanics both guides and helps explain human intuition

Philip Ball

Essay/Beauty & Aesthetics
Beauty ≠ truth

Scientists prize elegant theories, but a taste for simplicity is a treacherous guide. And it doesn’t even look good

Philip Ball

Essay/Cosmology
The calibrated cosmos

Is our universe fine-tuned for the existence of life – or does it just look that way from where we’re sitting?

Tim Maudlin

Essay/Future of Technology
Quantum gravity

The most exciting discovery in physics could come about thanks to telecoms satellites. Is a single theory of reality in sight?

Sidney Perkowitz

Essay/Physics
Must science be testable?

String wars among physicists have highlighted just how much science needs philosophy – and not just the amateur version

Massimo Pigliucci

Essay/Evolution
Life without design

Constructor theory is a new vision of physics, but it helps to answer a very old question: why is life possible at all?

Chiara Marletto

Essay/Philosophy of Science
World next door

Nine theories of the multiverse promise everything and more. But if reality is so vast and varied, where do we fit in?

Michael Hanlon

Essay/Physics
This granular life

That the world is not solid but made up of tiny particles is a very ancient insight. Is it humanity’s greatest idea?

Carlo Rovelli

Essay/Physics
A science without time

From past to present, into the future: the flow of time is central to human experience. Why isn’t it central to physics?

Gene Tracy

Essay/Astronomy
The superfluid Universe

Quantum effects are not just subatomic: they can be expressed across galaxies, and solve the puzzle of dark matter

Sabine Hossenfelder