Mechanical & Precision Engineering Videos Hacker News Recommends — Page 2

explainer#2165

Why Starting A Rocket Engine Is So Hard!

Everyday Astronaut

“Here's a 1hr video from the Everyday Astronaut explaining the process and everything that can go wrong.”

3 HN recommenders · 2023–2026

demo#2172

I sent robot forgeries to a handwriting expert

Stuff Made Here

“really cool video by Stuff Made Here explaining how he tried to make 'realistic' handwritten forgeries with a pen plotter”

3 HN recommenders · 2024–2026

explainer#2197

I thought this rotating house was impossible.

Tom Scott

“Tom Scott did a video last year that has a great 3D render of the system”

4 HN recommenders · 2023–2024

explainer#2453

Can Spinlaunch Throw Rockets Into Space?

Scott Manley

“a more honest and detailed look at the company”

2 HN recommenders · 2021–2022

explainer#2474

The Computer-free Automation of a Jukebox (Electromechanics)

Technology Connections

“The computer free automation of a jukebox from the 1970s is an eye opener”

2 HN recommenders · 2020–2021

lecture#2488

Building Prototypes Dan Gelbart part 10 of 18 Flexures

Dan Gelbart

“He starts off with a $10 piece of aluminum that took maybe an hour or two to make”

2 HN recommenders · 2015–2023

explainer#2497

Understanding the Honda CR-V Hybrid E-Drive

WeberAuto

“Some of these designs are mind-blowingly simple. My favorite is Honda's E-drive”

2 HN recommenders · 2024–2025

explainer#2504

The Ridiculous Engineering Of Jet Engines

Veritasium

“is absolutely fascinating & well worth a watch”

2 HN recommenders · 2025–2026

documentary#2566

Secret Life Of Machines 104 The Washing Machine

Retrotv

“Cartoonist Tim Hunkin explains how machines work, with lots and lots of models and cut-aways of real life devices.”

2 HN recommenders · 2015–2020

demo#2731

BOLTR: KitchenAid Mixer. SURPRISE!

AvE

“I thought the BOLTR teardown of one was entertaining”

2 HN recommenders · 2017–2022

demo#2800

Machine with Concrete - Arthur Ganson

Arthur Ganson

“I quite like how a lot of his work seems to have a punchline to it.”

2 HN recommenders · 2015–2025

tutorial#2809

The Secret Life of components. A series of eight guides for designers and makers by Tim Hunkin

tim hunkin

“It is really great stuff if you enjoy building things.”

2 HN recommenders · 2021–2025

demo#2875

Boeing 777 Wing Test

mtthw0

“you might find this really interesting”

2 HN recommenders · 2013–2023

explainer#2894

Thermoelectric cooling: it's not great.

Technology Connections

“they are _massively_ less efficient.”

3 HN recommenders · 2025

documentary#2940

The Mind-Blowing Machines that Stamp Millions of Metal Parts - Smarter Every Day 288

SmarterEveryDay

“SmarterEveryDay has a whole series[1] on manufacturing that covers how the US is losing/lost the ability to create tooling.”

2 HN recommenders · 2023–2025

music#2976

Wintergatan - Marble Machine (music instrument using 2000 marbles)

Wintergatan

“This thing is a work of love.”

2 HN recommenders · 2018–2025

documentary#3006

The Secret Life of the Radio - Remastered

tim hunkin

“awesome series, now freely/legally posted on YT”

2 HN recommenders · 2021–2024

explainer#3026

CBTC: Communications-Based Train Control

mtainfo

“Well made video that helps understand the interlocks - if you like antique systems!”

2 HN recommenders · 2015–2022

lecture#3030

Building Prototypes Dan Gelbart part 18 of 18 Design

Dan Gelbart

“He starts off with a $10 piece of aluminum that took maybe an hour or two to make”

2 HN recommenders · 2015–2024

demo#3039

[1147] Locksmith Says My Videos Are BS... Loses $75 (Maybe)

LockPickingLawyer

“here is my favorite LPL video where a locksmith calls bullshit and challenges LPL to a duel”

2 HN recommenders · 2021–2022

documentary#3115

The Engines That Came In From The Cold - And how The NK-33/RD-180 Came To The USA

Matthew Travis

“There's a cool documentary called "The Engines That Came In From The Cold" (available on youtube[1])”

2 HN recommenders · 2014–2021

explainer#3127

The Economics of Nuclear Energy

Real Engineering

“This excellent video delves into the economics of nuclear power plants and compares them with the alternatives.”

2 HN recommenders · 2020–2023

lecture#3158

Rotating Detonation Engine (RDE) -- Dynamics and Bifurcations

Nathan Kutz

“you can still enjoy the pretty damn cool high speed imaging of the detonation waves in this type of engine”

2 HN recommenders · 2021–2022

lecture#3228

International Colloquia #26: Fusion Reactor First Wall Cooling

MIT MechE Lectures & Colloquia

“This is the best recent video I've seen, about SPARC and ARC.”

2 HN recommenders · 2021–2026

explainer#3230

How to design an actually good toaster with lessons from the 1940's

Technology Connections

“This one about Sunbeam toasters from 50+ years ago is particularly great”

2 HN recommenders · 2022–2024

explainer#3272

Tesla Model 3's motor - The Brilliant Engineering behind it

Sabin Civil Engineering

“This youtube video describes it rather well, and I'd recommend giving it a watch”

2 HN recommenders · 2020–2022

demo#3315

EEVblog #854 - B52 Bomber Automatic Astro Compass Teardown

EEVblog

“if you want to see inside a mechanical computer of this type”

2 HN recommenders · 2016–2017

demo#3329

The 3D-Printed Curta Calculator

Adam Savage’s Tested

“Adam unboxes his 3D-printed Curta on YouTube at”

2 HN recommenders · 2017–2025

explainer#3351

Forced-air Furnaces: The What, Why, and How

Technology Connections

“For a full on description of how a good portion of furnaces, tech connections made a video not long ago”

2 HN recommenders · 2021–2026

explainer#3417

What Is A Rotating Detonation Engine - And Why Are They Better Than Regular Engines

Scott Manley

“Scott Manley has an introductory video about RDEs”

2 HN recommenders · 2021–2024

demo#3424

1925 Doble E-20 Steam Car - Jay Leno's Garage

Jay Leno's Garage

“The video has great production and really shows the starting and driving processes”

2 HN recommenders · 2015–2024

demo#3432

High precision air bearing CNC lathe and grinder

Dan Gelbart

“If you enjoy absurd precision and accuracy, have a look at Dan Gelbart's older videos”

2 HN recommenders · 2019–2025

demo#3451

Tesla Valve Explained With Fire

NightHawkInLight

“a very well made demonstration of how the valve works”

2 HN recommenders · 2019–2021

demo#3469

The Antikythera Mechanism Episode 9 - Making The Epicyclic Pin and Slot Gearing

Clickspring

“the video does a better job of explaining it (within the first minute)”

2 HN recommenders · 2020–2022

demo#3480

This Arcade Game is a SCAM (I have proof)

Mark Rober

“Rober built a machine to play the game perfectly, and it still lost”

2 HN recommenders · 2019–2023

documentary#3505

British Airways Boeing 747-400 in D-Check

JDProductions INC.

“The BBC has a great documentary on a BA 747-400 D-check that has been posted on Youtube”

2 HN recommenders · 2012–2017

demo#3541

World's First Human-Powered Ornithopter

OrnithopterProject

“real science/engineering awesomeness like this”

1 HN recommenders · 2012–2026

explainer#3551

Why it's not possible to synchronize turn signals (but also absolutely is)

Technology Connections

“The TC channel is definitely a hacker's eye view in to all the technologies that we take for granted every day.”

1 HN recommenders · 2021–2024

demo#3562

See in complete darkness with touch

Stuff Made Here

“'Stuff Made Here' made a 12-point display using two motors.”

1 HN recommenders · 2020–2023

demo#3564

How the pantorouter works

MatthiasWandel

“i think his youtube channel is really worth checking out.”

1 HN recommenders · 2014–2020

demo#3579

I put Koenigsegg’s freevalve tech on a Miata... It runs and drives!

Wesley Kagan

1 HN recommenders · 2021–2026

comedy#3628

Rockwell Retro Encabulator

rlcarnes

“the retroencabultaor video [1] is a masterclass on how to do it.”

1 HN recommenders · 2010–2025

explainer#3918

BMW's Hydrogen V12 Engine Is A Hilarious Engineering Stunt

Engineering Explained

“Worth watching”

2 HN recommenders · 2022–2023

documentary#3926

The Future of the Internal Combustion Engine - /INSIDE KOENIGSEGG

The Drive

“For those of you interested in seeing some more details on Koenigsegg's work with their freevalve engine”

1 HN recommenders · 2014–2018

explainer#3930

A simple water heater is more clever than it seems

Technology Connections

“Technology Connections did a good video about them recently.”

1 HN recommenders · 2023–2025

explainer#3942

Chest Freezers; What they tell us about designing for X

Technology Connections

“Technology Connections did a decent video that covers freezer design decisions like that and others”

1 HN recommenders · 2020–2026

demo#3971

AK47 (AKM): Mud Test

InRangeTV

“the AK doesn't do so well - despite legendary lore saying very much otherwise”

1 HN recommenders · 2019–2024

demo#3973

Computational Design of Mechanical Characters

DisneyResearchHub

“Here's a good Siggraph 2013 demo about "Computational Design of Mechanical Characters" from Disney”

1 HN recommenders · 2013–2025