All Everyday physics & science demos Fundamental physics Space exploration & spaceflight Cosmology & astrophysics Quantum physics Chemistry Materials science Physics & space (other)

Physics, Space & Chemistry

Most recommended Recently discussed

Making YBCO superconductor

Applied Science

643K views · 1 HN recommender · 2021–2023

Synthesizing Chicken Noodle Soup From Pure Chemicals

The Thought Emporium

2.1M views · 1 HN recommender · 2023–2024

Reusable Falcon 9 Launcher from Space-X!

124K views · 1 HN recommender · 2012–2021

The Surprising Secret of Synchronization

27.9M views · 1 HN recommender · 2021

How to Win an Interstellar War

Kurzgesagt – In a Nutshell

13.3M views · 1 HN recommender · 2023–2025

Dropping Things Into The Sun is Hard....

519K views · 1 HN recommender · 2016–2019

How Physicists Created a Holographic Wormhole in a Quantum Computer

Quanta Magazine

2.4M views · 1 HN recommender · 2022–2024

Experiment: Coca Cola and Drain Cleaner

2.7M views · 1 HN recommender · 2020–2021

The Weird World in RGB

Technology Connections

2.7M views · 1 HN recommender · 2020–2021

What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis

2.6M views · 1 HN recommender · 2023–2024

How to Make/Build a Lifter or Ionocraft

851K views · 1 HN recommender · 2016–2022

Is the Universe a Simulation? | 2016 Isaac Asimov Memorial Debate

American Museum of Natural History

5.9M views · 1 HN recommender · 2016–2020

Attempting to make transparent wood

8.5M views · 1 HN recommender · 2020–2021

Feynman: How the train stays on the track FUN TO IMAGINE 7

Christopher Sykes

820K views · 1 HN recommender · 2013–2022

To Scale: THE SOLAR SYSTEM

16.5M views · 1 HN recommender · 2015–2025

How the pyramids were built in Egypt

Geopolymer Institute

825K views · 1 HN recommender · 2017–2024

Why Railroads Don't Need Expansion Joints

Practical Engineering

5.3M views · 1 HN recommender · 2024–2026

Controlled Demonstration of a Tank Trailer Vacuum Collapse by Wabash National

Wabash (NYSE: WNC)

1.4M views · 4 HN mentions · 2018–2023

The helical model - our solar system is a vortex

9.2M views · 6 HN mentions · 2019–2026

The Glass Age, Part 1: Flexible, Bendable Glass

Corning Incorporated

7.3M views · 3 HN mentions · 2019–2023

SpaceX Pad Abort Test

12.7M views · 8 HN mentions · 2015–2018

Superheating of water (Mythbusters)

2.4M views · 3 HN mentions · 2020–2022

Bullet vs Prince Rupert's Drop at 150,000 fps - Smarter Every Day 165

SmarterEveryDay

7.4M views · 3 HN mentions · 2017–2025

Vertical Landing Rockets Before SpaceX

785K views · 3 HN mentions · 2019–2022

The problems with Helion Energy - a response to Real Engineering

Improbable Matter

913K views · 6 HN mentions · 2023–2024

SpaceX: BUSTED!! (Part 1)

455K views · 8 HN mentions · 2021–2022

New World Record RC Airplane Speed 548mph

1.1M views · 3 HN mentions · 2023–2024

Why all solar panels are secretly LEDs (and all LEDs are secretly solar panels)

2.5M views · 3 HN mentions · 2022–2024

White holes and wormholes are probably real. Here's why.

37.9M views · 4 HN mentions · 2024

chernobyl 2013: radioactive ant bites & 115 mSv/h of pure gamma radiation

604K views · 3 HN mentions · 2015–2016

Mercury-Redstone 1 Launch failure (MR-1)

305K views · 3 HN mentions · 2012–2017

Filming the Speed of Light at 10 Trillion FPS

The Slow Mo Guys

42.1M views · 6 HN mentions · 2019–2025

Spinlaunch: BUSTED!

851K views · 5 HN mentions · 2021–2023

Delta P

9.6M views · 4 HN mentions · 2016–2024

Synchronization of Metronomes

Harvard Natural Sciences Lecture Demonstrations

661K views · 4 HN mentions · 2017–2025

Asteroid Discovery - 1970-2015 - 8K resolution

298K views · 4 HN mentions · 2019–2024