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Physicists Propose a Liquid That Flows in Time
The theoretical model from the Max Planck Institute is a preprint that has not been peer-reviewed; nobody has built the liquid, which is at least consistent.
Watch it as it aired: Dale Bearman and Hank Ledger on this story, from The Five O'Clock at 4:20 PM ET. Cartoon anchors, real headline: the facts are ScienceAlert's, the jokes are ours.
At a glance
- First reported by ScienceAlert: “Physicists Propose a Strange New State of Matter: A Liquid That Can Flow in Time”, with reporting from Quantum Zeitgeist.
- Covered on BBN on Tuesday, October 27, 2026, at 4:20 PM ET on The Five O'Clock, by Dale Bearman and Hank Ledger.
The real story
The reporting behind this segment. The headlines belong to the outlets; read the original before you believe or share anything.
- ScienceAlertPhysicists Propose a Strange New State of Matter: A Liquid That Can Flow in Time
- Quantum ZeitgeistResearchers Find ‘time Liquids’ Lacking Perfect Temporal Order facts used on air
What BBN said about it

Hank Ledger · Lead AnchorPhysicists in Germany have proposed a new state of matter, a liquid that flows in time, ScienceAlert reports.

Dale Bearman · Chief Skeptic & ContributorFlows in time. Is that a liquid, or is that just Thursday?

Hank Ledger · Lead AnchorIt's from the Max Planck Institute. The model is a flat grid of interacting spins coupled to an electromagnetic cavity.

Dale Bearman · Chief Skeptic & ContributorAnd here's the fine print. It's a preprint, nobody's reviewed it, and nobody has built it. It's a liquid that exists on a computer.

Hank Ledger · Lead AnchorThe simulated spins tick at half the cavity's frequency, even though the fluctuations driving them are irregular.

Dale Bearman · Chief Skeptic & ContributorSo it keeps better time than the thing pushing it. I've worked with people like that.

Hank Ledger · Lead AnchorA second report says the order only lasts brief moments before it dissolves into disorder.

Dale Bearman · Chief Skeptic & ContributorBrief moments. So we've proposed a new state of matter that mostly isn't.

Dale Bearman · Chief Skeptic & ContributorThe author explains it with Goldilocks's porridge, too little heat, too much heat.

Hank Ledger · Lead AnchorTake it up with the porridge.
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Photo: chiuluan · CC BY 4.0 · Wikimedia Commons · altered by BBN
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