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THE VIDEO SHELF · mass and energy

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

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 HN readers recommended it

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

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
PBS Space Time
Topic
mass and energy
Format
explainer
Level
general
HN recommenders in dataset
3
HN mentions in dataset
3
Recommendation years in dataset
2016–2022

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • "The True Nature of Matter and Mass" - [VIDEO] This whole channel will be up your alley, but this video and "The Real Meaning of E=mc^2" one directly answer your question.

    acidbaseextract on Hacker News · 2016-08
    In New class of galaxy has been discovered, made almost entirely of dark matter
  • The YouTube channel PBS SpaceTime gives an excellent overview of these same ideas. The presenter is great at making things as simple as possible, but not simpler. [VIDEO] [LINK] [LINK]

    doctoboggan on Hacker News · 2018-02
    In Three Meanings of E=mc²
  • Pithy, but I’d actually argue the opposite. As someone who consumes quite a bit of science content on YouTube, it’s actually quite jarring to go back to traditional TV science shows. It feels a lot less information dense and more time-wasting. An interesting example is …

    MetricExpansion on Hacker News · 2022-01
    In The Shameful Decline of Scientific American

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.