About — Practical Engineering
Grady Hillhouse is an author, civil engineer, and science communicator widely known for his educational video series Practical Engineering, currently one of the largest engineering channels on YouTube …
Practical Engineering
Dec 16, 2025 Hurricane vs. Tiny House Dec 2, 2025 The Hidden Engineering Behind the Falkirk Wheel Nov 17, 2025 Concrete’s Greatest Weakness Nov 4, 2025
Book — Practical Engineering
Each month, millions of people tune in to Practical Engineering to see Grady Hillhouse’s idiosyncratic online video series about infrastructure and the human-made world.
Blog — Practical Engineering
Jan 6, 2019 · I’m Grady, and this is Practical Engineering. There’s something really magical about taking advantage of flowing water to accomplish work. I don’t know exactly what it is. Seeing a natural …
The Most Confusing Part of the Power Grid - Practical Engineering
Jun 4, 2024 · I’m Grady, and this is Practical Engineering. In today’s episode, we’re talking about how power actually flows on the grid. I’ve built a model power grid here in the shop. (Not the first time I’ve …
How Fish Survive Hydro Turbines — Practical Engineering
Mar 5, 2024 · I’m Grady, and this is Practical Engineering. On today’s episode, we’re talking about hydropower! This is McNary Dam, a nearly 1.5-mile-long hydroelectric dam across the Columbia …
What’s Inside a Manhole? — Practical Engineering
Feb 4, 2025 · So, I set up a see through sewer system so you can see what’s happening inside. I’m Grady, and this is Practical Engineering. There are a lot of kinds of manholes. If it’s a utility of any …
All Dams Are Temporary - practical.engineering
Mar 4, 2025 · I’m Grady, and this is Practical Engineering. I want to clarify that the impacts dams have on sediment movement happen on both sides. Downstream, the impacts are mostly environmental. …
How French Drains Work - Practical Engineering
Aug 6, 2024 · Once you know the base soil’s grain size distribution, there are a number of engineering methods to find a material that will both allow water to flow while still holding the soil back.
Hurricane vs. Tiny House — Practical Engineering
Dec 2, 2025 · I’m Grady, and this is Practical Engineering. Everyone knows hurricanes are destructive, but storm surge often gets underestimated, not just by the public, but policymakers and planners too.