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We all move at the Speed of Light

ScienceClic English · 1.4M views · 2018-11-09 · 11:57

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Overview

ScienceClic explains why nothing can go faster than light by treating motion through space and time together, so everything moves at the speed of light through spacetime. It uses animated visuals to cover relativity basics in 12 minutes.

On Hacker News

HN commenters recommend it as a helpful way to conceptualize why light speed is a limit.

Recommended by 2 HN people across 2 months · HN mentions 2020–2024

Topics

Fundamental physicsCosmology & astrophysics
Search by tags
speed of lightspacetimerelativityphysics visualization

What people said

keithnz · 2021-08 · Recommendation

you can't go faster. I know a lot of people find this video helpful in conceptualizing things. [VIDEO]

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danparsonson · 2021-07 · Recommendation

Try this: [VIDEO] c isn't defined as the speed of light - light travels at c, but so does everything else, when you factor in movement through time.

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itishappy · 2024-10 · Reference

I've heard this described as "we all move at the speed of light." Also, since another way to describe alignment of two vectors is an angle, motion can be characterized by the angle it makes with the time axis. [VIDEO]

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Sources

Video by ScienceClic English, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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