I Built a Marble Computer!

I share the story of how I built a 19-bit marble computer. Along the way we'll learn a bit about digital logic, binary numbers, reliability, and engineering. Build working computers out of marble runs! The entire series: https://www.youtube.com/playlist?list=PLJDGaKsG5JeLVG4KFG8oSwUhOFm3bK4-F 🤠 Support Masked Marble (Affiliate Links)... ► GraviTrax marble run sets: https://amzn.to/3FfrXli ► 🖨️ Bambu Lab A1 & A1 mini 3D Printers: https://tidd.ly/3WXtP7m ► 🖨️ 3D-printed marble run accessories (10% off with discount code MARBLE): https://www.coogelbahn-shop.de ► 🌎 MOVA Globes (10% off all MOVA globes with discount code MLBMARBLE): https://www.movaglobes.com/?ref=ae8XFHHos5fYgo ► ROKR Wooden Puzzles & Marble Runs (15% off with discount code MARBLE): https://tidd.ly/3Xt8zXd 🄶🅁🄰🅅🄸🅃🅁🄰🅇 🄺🄸🄳🅂 🄲🄻🅄🄱 - Free 11-week Curriculum for use in homeschool, club, or other educational setting to teach Bible, Physics, and Digital Logic to kids ages 10 and up. Copy & tailor to suit. Facilitators use speaker notes in Presenter view. https://drive.google.com/drive/folders/1tpxEhEZmhYEVYsDTl5gdhsldZ8v20PAx?usp=sharing * GraviTrax binary number landing pad inserts for 3D printers to make your own GraviTrax marble computers on Thingiverse: https://www.thingiverse.com/thing:4928358 * GraviTrax landing pad catchers for 3D printers also used on this marble computer: https://www.thingiverse.com/thing:4928380 Link to GraviTrax Dipper Switch trick video, which could become the basis for storing nonvolatile memory in GraviTrax digital computers. https://www.youtube.com/watch?v=s_1uujUFFFc&list=PLJDGaKsG5JeImyXza8AnKeJr1XtCM14DM&index=1 CREDITS: Andreas Schleifenbaum’s original full adder using 2 switches: https://youtu.be/L0pa2vswWb4 Water vector created by upklyak: https://www.freepik.com/vextors/water CHAPTER MARKERS: 00:00 A Computer Made of MARBLES? 01:29 History of Marble Computers 05:00 Failure upon Failure (The Engineering Process) 08:12 The Real Problem (Reliability) 09:03 The Analogy to Evolution 09:58 Drastic Action 10:49 What's Ahead 13:28 Basic Overview 17:06 Running the Computer 22:10 Q&A #marblerun #gravitrax #ravensburger #digitallogic #computing #computer #gravicalc #kugelbahn #murmelbahn #marblecomputer #marblecomputing #binarynumbers #digitaladder