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Physics, Space & Chemistry

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Orbital Data Centers Yes or No

19K views · 3 HN recommenders · 2025–2026

Leonard Susskind | "ER = EPR" or "What's Behind the Horizons of Black Holes?" - 1 of 2

Stanford Institute for Theoretical Physics

987K views · 3 HN recommenders · 2015–2023

The complete FUN TO IMAGINE with Richard Feynman

Christopher Sykes

5.9M views · 3 HN recommenders · 2019–2022

Ptolemy and Homer (Simpson)

Santiago Ginnobili

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Slow Motion Flipping Cat Physics | Smarter Every Day 58

SmarterEveryDay

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How big is a visible photon?

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Homochirality: Why Nature Never Makes Mirror Molecules

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Arcologies

397K views · 3 HN recommenders · 2018–2022

Light Waves Visualized using Photon Sieves.

70K views · 3 HN recommenders · 2020–2022

Why Alien Life Would be our Doom - The Great Filter

Kurzgesagt – In a Nutshell

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Terence Tao on the cosmic distance ladder

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The Insane Engineering of James Webb Telescope

Real Engineering

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harvard & aliens & crackpots: a disambiguation of Avi Loeb

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Why Starting A Rocket Engine Is So Hard!

Everyday Astronaut

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How Not to Land an Orbital Rocket Booster

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Unlocking UAP Mysteries: Economics, Aliens, and The Great Filter | Merged EP0109

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The 5 Most Dangerous Chemicals on Earth

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Etching small patterns in Glass

221K views · 4 HN recommenders · 2021–2024

Gil Scott-Heron - Whitey On the Moon (Official Audio)

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Consciousness is Not a Computation (Roger Penrose) | AI Podcast Clips

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Pulling Clear Images Directly Off Satellites | GOES-15,16,17 and Himawari 8 HRIT

The Thought Emporium

636K views · 3 HN recommenders · 2018–2023

Risking My Life To Settle A Physics Debate

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The Higgs Mechanism Explained | Space Time | PBS Digital Studios

2.7M views · 3 HN recommenders · 2018–2022

The Holographic Universe Explained

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Turning the Sun Into a Giant Telescope with Dr. Slava Turyshev

33K views · 3 HN recommenders · 2022–2024

Using ground relays with Starlink

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DIY mass spectrometer measures potassium in dietary salt substitute

Applied Science

454K views · 3 HN recommenders · 2020–2023

Roger Penrose: Physics of Consciousness and the Infinite Universe | Lex Fridman Podcast #85

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A4 Paper Is Too Perfect

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Lecture 1 | Modern Physics: Classical Mechanics (Stanford)

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Was Roman Concrete Better?

Practical Engineering

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that dark matter video aged like milk

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Turning Waves Into Particles

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Quantum Entanglement and the Great Bohr-Einstein Debate | Space Time | PBS Digital Studios

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Fluorine - Periodic Table of Videos

Periodic Videos

2.1M views · 4 HN recommenders · 2015–2021

Reynolds Number - Numberphile

560K views · 3 HN recommenders · 2019–2021