hackertube.io

The True Nature of Matter and Mass | Space Time | PBS Digital Studios

PBS Space Time · explainer · Watch on YouTube

Fundamental physics

What it is

A PBS Space Time episode asking what matter, mass, and energy really are, starting with inertial versus gravitational mass and what mass-energy equivalence means.

Why Hacker News recommends it

HN recommends it, and the whole channel, as a clear and deeper-than-usual physics explainer.

  • 3 people recommended it
  • 3 different months
  • 2 strong recommendations
  • first 2016, last 2022

What HN commenters said

  1. “This whole channel will be up your alley, but this video and”

    Directly explains the nature of matter and mass

    acidbaseextract, 2016-08 · Strong recommendation · in “New class of galaxy has been discovered, made almost entirely of dark matter”

  2. “The YouTube channel PBS SpaceTime gives an excellent overview of these same ideas.”

    Excellent, clear overview of mass-energy ideas

    doctoboggan, 2018-02 · Strong recommendation · in “Three Meanings of E=mc²”

  3. “And there are channels like PBS Spacetime which go far, far beyond anything”

    Goes beyond general-audience science content in depth

    MetricExpansion, 2022-01 · Recommendation · in “The Shameful Decline of Scientific American”

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

Topics: physics, mass-energy, inertial mass, pbs space time, relativity

Also recommended by the same people