Wax motor(en.wikipedia.org)
483 points by mhb | 89 comments
Wikipedia article on the wax motor, a linear actuator that converts thermal energy into motion via the expansion of melting wax.
#mechanical-engineering on Hacker News
7 stories tagged mechanical-engineering, newest first.
507 Mechanical Movements(507movements.com)
643 points by helloplanets | 76 comments
A website presenting animated versions of the illustrations from Henry T. Brown's 1868 book 507 Mechanical Movements, showing belts, pulleys and other mechanisms.
The Beam Engine(glinscott.github.io)
438 points by glinscott | 87 comments
An illustrated interactive explainer by Gary Linscott on how the steam beam engine worked and powered the Industrial Revolution.
Mechanical Watch (2022)(ciechanow.ski)
700 points by razin | 118 comments
Bartosz Ciechanowski's interactive blog article explaining how a mechanical watch mechanism works, with draggable 3D demonstrations.
![Screenshot of youtube.com: The engineer who invented the Mars rover suspension in his garage [video]](https://hn.urlbox.com/shots/renders/2026/1/30/6607b2df-fc14-4649-8ed3-7c37b29c3882.jpg)
The engineer who invented the Mars rover suspension in his garage [video](youtube.com)
369 points by UltraSane | 54 comments
A 1 hour 40 minute YouTube video from GearSkeptic about the engineer who invented the Mars rover suspension in his garage.
![Screenshot of youtube.com: Wintergatan Marble Machine (2016) [video]](https://hn.urlbox.com/shots/renders/2024/3/2/0cf07137-ba62-420b-bdfb-c81d446d49bb.jpg)
Wintergatan Marble Machine (2016) [video](youtube.com)
344 points by kaycebasques | 123 comments
YouTube video of Wintergatan's Marble Machine, a hand-cranked wooden music instrument that plays a song using 2000 marbles.
Mechanical Watch (2022)(ciechanow.ski)
900 points by Akcium | 153 comments
Bartosz Ciechanowski's interactive article explaining how a mechanical watch works, with draggable 3D demonstrations of its mechanism.