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Demos Recommended on Hacker News (1002 videos)

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4 mo on HN

A New Way to Achieve Nuclear Fusion: Helion

Real Engineering
Recommended 5× on HN · 2022–2025
4 mo on HN

Datacenters Behaving Like Acoustic Weapons

Benn Jordan
Recommended 5× on HN · 2026–2026
4 mo on HN

Chinese Invisibility Cloak Hoax DESTROYED!!!

Captain Disillusion
Recommended 4× on HN · 2021–2025
4 mo on HN

How Imaginary Numbers Were Invented

Veritasium
Recommended 7× on HN · 2021–2023
4 mo on HN

Infinity is bigger than you think - Numberphile

Numberphile
Recommended 3× on HN · 2014–2022
4 mo on HN

The Milk-Industrial Complex: Why You Don't Need to Drink Milk

Healthcare Triage
Recommended 4× on HN · 2014–2025
4 mo on HN

Attention Is All You Need

Yannic Kilcher
Recommended 4× on HN · 2020–2025
4 mo on HN

This is why we can't have nice things

Veritasium
Recommended 4× on HN · 2021–2024
4 mo on HN

The US Has More Tribes Than the World Has Countries

CGP Grey
Recommended 4× on HN · 2020–2026
4 mo on HN

Colonizing Mars

Isaac Arthur
Recommended 4× on HN · 2017–2022
4 mo on HN

The medical test paradox, and redesigning Bayes' rule

3Blue1Brown
Recommended 4× on HN · 2020–2025
4 mo on HN

Tested: Where Does The Tone Come From In An Electric Guitar?

Jim Lill
Recommended 4× on HN · 2022–2026
4 mo on HN

Humidifiers: Simpler is better?

Technology Connections
Recommended 5× on HN · 2021–2026
4 mo on HN

Vancouver Never Plays Itself

Every Frame a Painting
Recommended 4× on HN · 2017–2026
4 mo on HN

Debt Metaphor

Ward Cunningham
Recommended 3× on HN · 2009–2023
4 mo on HN

RSA ANIMATE: Crises of Capitalism

Royal Society of Arts
Recommended 4× on HN · 2011–2016
4 mo on HN

Atari's Quadrascan Explained

Retro Game Mechanics Explained
Recommended 3× on HN · 2021–2026
4 mo on HN

Copyright: How It Went Wrong

CGP Grey
Recommended 4× on HN · 2012–2020
4 mo on HN

e^(iπ) in 3.14 minutes, using dynamics | DE5

3Blue1Brown
Recommended 4× on HN · 2020–2021
4 mo on HN

The Unfortunate Truth About Toyota's Hydrogen V8 Engine

Engineering Explained
Recommended 3× on HN · 2022–2024
4 mo on HN

Who else benefits from the Dutch cycling infrastructure

BicycleDutch
Recommended 3× on HN · 2017–2026
3 mo on HN

Runaway Stabilizer!! How to stop MCAS.

Mentour Pilot
Recommended 7× on HN · 2019–2022
4 mo on HN

How to Understand What Black Holes Look Like

Veritasium
Recommended 8× on HN · 2019–2021
4 mo on HN

How is this Website so fast!?

Wes Bos
Recommended 4× on HN · 2024–2025
4 mo on HN

Equipment Review: Best Carbon-Steel Skillets (Can This One Pan Do It All?) & Our Testing Winner

America's Test Kitchen
Recommended 4× on HN · 2015–2023
4 mo on HN

The Ranks of Global Billionaires: Not All Billionaires Are Made Equal

Economics Explained
Recommended 4× on HN · 2020–2022
3 mo on HN

Fantastic Quaternions - Numberphile

Numberphile
Recommended 3× on HN · 2016–2018
3 mo on HN

A London Accent from the 14th to the 21st Centuries

Simon Roper
Recommended 3× on HN · 2021–2024
4 mo on HN

The Problem with Solar Energy in Africa

Real Engineering
Recommended 4× on HN · 2021–2024
3 mo on HN

Why Adults Can't Develop Perfect Pitch

Rick Beato
Recommended 4× on HN · 2017–2025
4 mo on HN

How the Quantum Eraser Rewrites the Past | Space Time | PBS Digital Studios

PBS Space Time
Recommended 4× on HN · 2017–2025
3 mo on HN

The $200M Machine that Prints Microchips: The EUV Photolithography System

Branch Education
Recommended 3× on HN · 2025–2026
4 mo on HN

Doctor Dissects the Wim Hof Method - Cold Hard Science Analysis

Medlife Crisis
Recommended 3× on HN · 2019–2022
4 mo on HN

How a transistor works

Ben Eater
Recommended 4× on HN · 2020–2023
3 mo on HN

CD / Color

Captain Disillusion
Recommended 3× on HN · 2020–2021
4 mo on HN

How To Terraform Venus (Quickly)

Kurzgesagt – In a Nutshell
Recommended 4× on HN · 2021–2026