The Readout (@readoutwhatif) — subscribe link & stats

Channel tabs & counts

Per-tab counts come from YouTube's public statistics. Only Videos and Playlists have exact public totals. Shorts is estimated from the most recent 25 uploads. Live, Podcasts, Courses, Posts and Store are shown when the tab exists — YouTube does not publish a public count for those.

Videos 24 Total uploads Shorts ≈ 3 In latest 25 uploads Playlists — Open on YouTube

Channel keywords (from page meta)

Taken from the public channel HTML when YouTube exposes a keywords meta tag.

"what if" science simulation physics space universe "scale comparison" "thought experiment" "science documentary" astronomy earth atoms "3d animation" "scien...

Channel description

The Readout turns "what if" questions into one continuous, physically grounded journey.

What if you shrank and couldn't stop? Where does a single breath go over 1,000 years? Where did the atoms in your hand come from? Each video follows one idea from the first second to its extreme, with the real numbers on screen the whole way: size, time, distance, temperature.

Every scene is rendered in a custom 3D simulation engine. The numbers come from published science (sources are listed in every video description), and when something has to be estimated, the video says so.

New journeys every week. Subscribe and tell us the next "what if" in the comments.