The human view of the arrow of time

Which is forward and which is backward? We can’t tell, and it doesn’t matter!
A box of gas molecules evolves from an initial state of low entropy (left) to a final state of high entropy (right).
These are snapshots of a box of gas molecules at two different times, long after the initial ordered state. We cannot tell which of these frames happened first and which happened second.

--

--

--

Postdoctoral scholar at Harvard, research at the intersection of physics and materials.

Love podcasts or audiobooks? Learn on the go with our new app.

Recommended from Medium

Invisible Touch Times Comment 17/05

The Three Phases of Selection on Earth

The worst high school physics question EVER

READ/DOWNLOAD*^ Human Biology: Concepts and Current Issues (8th Edition) (Masteringbiology…

2: How deep are our assumptions?

5 Phenomena That Science Still Can’t Explain!

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Hari Padmanabhan

Hari Padmanabhan

Postdoctoral scholar at Harvard, research at the intersection of physics and materials.

More from Medium

The Probability of Everything Around You

The Probability of Everything Around You

Evolutionary biology #1.

Causation is the Interplay Between Freedom and (Developed) Constraint

Cannibalising Female Energy