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Richard Feynman talks about light

sdfhsfh · explainer · Watch on YouTube

Fundamental physicsEveryday physics & science demos

What it is

A PBS clip in which Richard Feynman explains the strange nature of light and electromagnetic radiation. He conveys how little of it we actually see and how radio waves are present everywhere.

Why Hacker News recommends it

Recommended as an entertaining, accessible way to get a feel for light and electric fields.

  • 4 people recommended it
  • 4 different months
  • 2 strong recommendations
  • first 2018, last 2025

What HN commenters said

  1. “This is one of my favorite PBS clips from the 80's in which Richard Feynman explains how strange the nature of light”

    Feynman explains the strange nature of light and electromagnetic radiation

    RichardCA, 2020-08 · Strong recommendation · in “Ask HN: What is a science fact that blew your mind when you learned it?”

  2. “I highly recommend you watch this video of Feynman explaining light”

    Feynman explaining light in a fun, entertaining way

    kypro, 2025-02 · Strong recommendation · in “Richard Feynman's blackboard at the time of his death (1988)”

  3. “A favorite Feynman vid to give laymen a taste”

    Feynman gives laymen a taste of the electric field

    Jach, 2019-07 · Recommendation · in “The Backbone of VHF Amateur Radio May Be Under Threat”

  4. “Richard Feynman gets very excited about this very fact”

    Feynman on all radio waves being present at every point

    martyvis, 2022-03 · Recommendation · in “How is portable AM radio possible?”

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

Topics: feynman, light, electromagnetism, physics, radio waves

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