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Comment by rootusrootus | Hacker News Reader

Every time I watch a practical engineering video I like Grady more and more. Great presenter, interesting videos, great value for the time spent watching. Gets right to the point in the first sentence, and the rest of the video is still worth watching.

Add me to the long list of people who heard the bit about desert sand not being suitable for concrete and believed it. I'm happy to be corrected.

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I almost feel like his videos are anti-clickbait. On my YouTube recommendations page, often his title and cover image are the least eye-grabbing, but the actual video is always satisfying.

His water infrastructure videos always get me because the thumbnail shows off the very cool model that he built just for it :)

I don't even care about sand but he's so great I couldn't stop watching it

That's the sign of a truly great "content creator". I've found myself watching a lot of different YT channels on topics I would NEVER have thought I had any interest in.

> Add me to the long list of people who heard the bit about desert sand not being suitable for concrete and believed it. I'm happy to be corrected.

Cristobol and Hank's whole business strategy down the drain! (From Barry)

He's got a great book as well. I got it because my 4 yo is a Grady fan but I enjoy it and learn a lot as well. "Engineering in Plain Sight: An Illustrated Field Guide to the Constructed Environment"

I loved how he tackled this from multiple angles.

Manufactured sand has those rough edges, and is often a waste byproduct of rock crushing anyway. But also, in practice, you want more weathered sand for ease of handling, since too-rough sand is less strong given the same level of workability!

I love his book too. I ended up buying a copy for my sister who kept asking me how I knew all their weird details about things like sewer systems :-)

> Gets right to the point in the first sentence,

Huge respect or the "tldr: no" right at the start.

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