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0 pointsszszrk5mo ago0 comments

Well the article claims cave is pitch dark, so I guess the invisible part is granted anyway.

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3 comments · 1 top-level

kijin5mo ago· 2 in thread

Cave-dwelling animals don't just crash into walls all the time, so by "visible" I mean large enough and dense enough to be recognized as an obstacle in whatever navigation system they use.

hnlmorg5mo ago

They do rest on walls though.

thaumasiotes5mo ago

In this case every part of the wall is actually just a spiderweb.

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