Submitted by 500owls t3_125emsn in todayilearned
[deleted] t1_je409ye wrote
Why did prehistoric people keep their stones in jars? I guess they didn’t have electricity to make rock tumblers but surely they could harness flowing river water to construct tumblers and make the rocks presentable enough they didn’t need be hidden away in jars.
Fetlocks_Glistening t1_je430qs wrote
They're like icecubes, but reusable?
[deleted] t1_je43bm5 wrote
Rocks are frozen lava I heard.
Ok-Cut4890 t1_je4faj5 wrote
It's a burial practice. There was a period in Ancient China where people would chuck all the deceased belongings into a huge grave with them. Different periods/cultures had random (spiritual) reasons for making time capsules of wildly different qualities.
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