So You Want to Build a Tunnel... — Practical Engineering
Hacker News
February 17, 2026
[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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Originally published on Hacker News on 2/17/2026