Recreating an Ancient Pump (with no moving parts)

From “Practical Engineering”. ( YouTube / Nebula ) Designing and building a pulser pump ⚙️ Check out SendCutSend for custom parts fabricated from your CAD: http://sendcutsend.com/practicalengineering Primal Space video: https://www.youtube.com/watch?v=xLaLpMeOyHk A pump with no moving parts, able to lift water above its source, quietly serving a hillside fortress centuries ago. It is clever, effective, and,…

Sawing a Dam in Half (on Purpose)

From “Practical Engineering”. ( YouTube / Nebula ) A primer on alkali-silica reactions in concrete and one of the more interesting ways we manage it. 🌌Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🏙️Watch Beyond the Bleachers: https://nebula.tv/maapify/beyond-the-bleachers?ref=practical-engineering Thanks to the @TennesseeValleyAuthority for their help and footage. Watch this video ad-free…

Concrete’s Greatest Weakness is Time

From “Practical Engineering”. ( YouTube / Nebula ) The challenge of cure time 🌌Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🏙️Watch 17 Pages: https://nebula.tv/videos/17pages?ref=practical-engineering Concrete is a material that embodies both a sprint and a marathon. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-concretes-greatest-weakness Signed copies of my book (plus other…

The Weirdest Tool in Underwater Construction

From “Practical Engineering”. ( YouTube / Nebula ) The fascinating engineering of bubble curtains 🌌Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🏙️Watch Downie Express: https://nebula.tv/downieexpress?ref=practical-engineering You know I love heavy construction. The bigger and louder the machinery, the better. But I think that anything we can do to limit the…