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Understanding Steels and Heat Treatment

Visit Protolabs and get an instant manufacturing quote! https://www.protolabs.com/?utm_source=theefficientengineer&utm_medium=youtube&utm_campaign=AMER-General-Q1-Global_Brand_Campaign_2025&utm_content=videodescription -- This video explores the superpower of steels - heat treatment, the precise heating and cooling of steel that allows the microstructure and so the properties of the material to be finely adjusted. It's one of the main reasons steel is so dominant in engineering. --…

Understanding Calculus (for engineers)

Go to https://brilliant.org/efficientengineer/ to try out the Brilliant course on Calculus for some hands-on learning. You can use this link to get 20% of an annual membership! -- This video explores one of the most powerful tools in engineering - calculus. By looking at how quantities change and how those changes accumulate, calculus helps describe…

Understanding Friction

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/theefficientengineer Watch the second episode of the microstructure series about Shape Memory Alloys: https://nebula.tv/videos/the-efficient-engineer-piezoelectric-materials Friction plays a role in every mechanical system, from gears and bearings to tires on the road. In this video, we examine what friction is, where it comes from, and…

This Spillway Failed On Purpose

An overview of fuse plug and fusible gate spillways ⚙️ Check out SendCutSend for custom parts fabricated from your CAD: http://sendcutsend.com/practicalengineering Most of the largest dams in the world have gated spillways with whole teams of staff dedicated to their operation. But it’s still a challenge, especially for small owners like cities. So there is…

The Los Angeles Aqueduct is Wild

A little tour of the Los Angeles Aqueduct system 🌌Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🚣Watch The Colorado Problem: https://nebula.tv/thecoloradoproblem?ref=practical-engineering The story of the LA aqueduct in a nutshell: The project seemed obvious from an engineering perspective. But it many ways, it was not only unscrupulous, but also short-sighted.…

How Earthquake Bearings Work

An overview of seismic base isolation for buildings ⚙️ Check out SendCutSend for custom parts fabricated from your CAD: http://sendcutsend.com/practicalengineering Earthquakes are such a challenge in engineering: unpredictable both in time and intensity. But I love this solution of base isolation because it’s so intuitive. It’s something my five-year-old would come up with: just put…

Do Retention Ponds Actually Work?

An overview of the engineering behind stormwater ponds ⚙️ Check out SendCutSend for custom parts fabricated from your CAD: http://sendcutsend.com/practicalengineering Errata: 5 acres is about 2 hectares. Sorry for the conversion error! Part park, part plumbing, mostly hiding in plain sight, they are often carefully tuned pieces of infrastructure that help keep the city’s head…

So You Want to Build a Tunnel…

Some of us just yearn for the mines. 🌌Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🚆Watch A Bit Obscure: https://nebula.tv/abitfrank/a-bit-obscure?ref=practical-engineering Mentions in the intro: @colinfurze @GhostTownLiving @saveitforparts @JerryRigEverything A little exploration into modern tunnel construction methods used in public infrastructure and how those lessons can be applied to endeavors of…

How American Tanks are being Destroyed in Ukraine

Tank Engines are Weird