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time

Time isn’t just another dimension, argues Tim Maudlin. To make his case, he’s had to reinvent geometry.
Q&A

A Defense of the Reality of Time

Time isn’t just another dimension, argues Tim Maudlin. To make his case, he’s had to reinvent geometry.

There’s more than one good way to bring order to our unruly, seemingly arbitrary calendar.
insights puzzle

Solution: ‘Friday the 13th’

There’s more than one good way to bring order to our unruly, seemingly arbitrary calendar.

How our society defines years, months and weeks can seem frustratingly arbitrary. Can you bring order to our unruly calendar?
insights puzzle

Is It Friday the 13th Again?

How our society defines years, months and weeks can seem frustratingly arbitrary. Can you bring order to our unruly calendar?

The effort to unify quantum mechanics and general relativity means reconciling totally different notions of time.
Abstractions blog

Quantum Gravity’s Time Problem

The effort to unify quantum mechanics and general relativity means reconciling totally different notions of time.

Insights about time’s arrow from a liquid crystal universe.
insights puzzle

Solution: ‘Time Through an LCD Display’

Insights about time’s arrow from a liquid crystal universe.

What insights can an LCD display give us about time’s arrow?
insights puzzle

Seeing Time Through a Liquid Crystal Display

What insights can an LCD display give us about time’s arrow?

According to our best theories of physics, the universe is a fixed block where time only appears to pass.
cosmology

A Debate Over the Physics of Time

According to our best theories of physics, the universe is a fixed block where time only appears to pass.

Bizarre quantum bonds connect distinct moments in time, suggesting that quantum links — not space-time — constitute the fundamental structure of the universe.
Physics

Quantum Weirdness Now a Matter of Time

Bizarre quantum bonds connect distinct moments in time, suggesting that quantum links — not space-time — constitute the fundamental structure of the universe.

The irreversibility of time may be a clue as to what makes up the universe’s dark matter.
Quantized Columns

Time’s (Almost) Reversible Arrow

The irreversibility of time may be a clue as to what makes up the universe’s dark matter.