Darkassassin07@lemmy.ca to

memes@lemmy.worldEnglish · 3 months ago

Tropical air defence

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Tropical air defence

Darkassassin07@lemmy.ca to

memes@lemmy.worldEnglish · 3 months ago

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Darkassassin07@lemmy.caOP
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3 months ago
It’s a tunnel that gets fish to the other side of the dam if I remember right.

https://boingboing.net/2025/05/20/scientists-built-this-salmon-cannon-to-shoot-fish-over-dams-video.html

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