this post was submitted on 10 Aug 2024
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What is this thing?

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Let us help you identify that mysterious object you’ve found.

Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.

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[–] Squeezer@lemmy.world 25 points 2 months ago (1 children)

At the beginning of the first world war they plotted all military operations using these giant pins. Later in the conflict ‘map pins’ were developed and these ‘land pins’ became obsolete. Another fascinating example of how the horrors of war pushed technology forwards in civilian applications.

[–] 13esq@lemmy.world 24 points 2 months ago

Imho joke answers should be against the rules of the sub.