this post was submitted on 28 Nov 2025
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xkcd #3174: Bridge Clearance

Title text:

A lot of the highway department's budget goes to adjusting the sign whenever the moon passes directly overhead.

Transcript:

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Source: https://xkcd.com/3174/

explainxkcd for #3174

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[–] Natanael@infosec.pub 2 points 3 days ago

There's actually math for this where you look at the distribution and distances of mass and calculate probability of hitting something based on distance (created to calculate things like how far you can see in the woods)