Grady Hillhouse personal blog

So you want to build a tunnel

by Wesley Crump practical.engineering published 2026-02-1713 min read

[Note that this article is a transcript of the video embedded above.] It seems like homemade tunnels are kind of having a moment. Just about everywhere I look, it feels like someone is carving new spaces from the ground and documenting the process online. Colin Furze might be the quintessential ex

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Science & Space2026

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