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CAVE WALL
Every thing Caveman ever explain, painted on wall for all. 54 paintings so far.
Sky & Space
Why sky blue?
What black hole?
What gravity?
Why moon change shape?
Why season change?
How star shine?
What big bang?
Why space dark?
What shooting star?
Body & Brain
Why we dream?
Why hiccup happen?
What deja vu?
How memory work?
Why we laugh?
Why we yawn?
How vaccine work?
What is DNA?
Why we get old?
Why onion make cry?
Money & Trade
What is money?
What inflation?
How stock market work?
What bitcoin?
What taxes?
What insurance?
What interest rate?
What recession?
Machine Magic
How internet work?
How plane fly?
How GPS find Caveman?
How wifi work?
What is AI?
How microwave heat food?
How cold box work?
How screen feel finger?
What is cloud?
How search engine find thing?
Wild Nature
Why ocean salty?
How volcano erupt?
What make ground shake?
Why thunder boom?
How rainbow made?
Why leaf change color?
How bee make honey?
Why cat purr?
How fish breathe water?
What make tide?
Big Brain Rocks
What quantum physics?
What relativity?
What entropy?
What evolution?
What is time?
Why ice float?
What electricity?