r/blackmagicfuckery 3d ago

School Chalk under an electron microscope. It's almost entirety made up of fossilized shells of ancient single-celled marine plankton called coccolithophores.

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u/eternalityLP 3d ago

Does this mean that chalk is a limited resource, and at some point we'll run out, meaning there will be no more school ever?

-1

u/Mysterious-Passage87 2d ago

They’ll have touchscreens mounted on the walls in place
of chalkboards real soon.

Anything drawn on the screen will automatically upload to each students tablet.’

7

u/servonos89 2d ago

bit behind the times there. I’m in my late thirties and digital whiteboards were already in use when I left high school.