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We all move at the Speed of Light

ScienceClic English · explainer · Watch on YouTube

Fundamental physicsCosmology & astrophysics

What it is

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.

Why Hacker News recommends it

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

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2020, last 2024

What HN commenters said

  1. “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.”

    Everything moves at c when movement through time is included

    danparsonson, 2021-07 · Recommendation · in “Positive Energy Warp Drive from Hidden Geometric Structures”

  2. “I know a lot of people find this video helpful in conceptualizing things.”

    Helpful for conceptualizing why you can't go faster

    keithnz, 2021-08 · Recommendation · in “Very fast rocket”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: speed of light, spacetime, relativity, physics visualization

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