this post was submitted on 28 Oct 2024
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xkcd

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xkcd #3004: Wells (xkcd.com)
submitted 1 month ago by [email protected] to c/xkcd
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well well well, if it isn't a new xkcd

You do have to be careful, though--sometimes, instead of water, you hit this free fuel that you can sell for a lot of money instead.

https://explainxkcd.com/3004/

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[–] weariedfae 10 points 1 month ago

We've known that groundwater existed for verifiably more than 7,000 years (the age of the oldest well ever found). Springs and seeps are easily observable groundwater coming up out of the ground. I seriously doubt it was stumbled into by accident. We probably started by modifying springs for our use and then dug in other places to see if we could tap into the same source.