What scientific discovery would change the course of humanity overnight if it was discovered?

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Nuclear fusion. If we finally figured it out, it would solve all our energy problems as well as our pollution problems.


Affordable high temperature (as in room temperature) superconductors. We’re talking new transport methods (maglev and floating cars), no loss power transmission, faster computing, new power generation methods. Honestly it’ll allow us to move so much further technologically it’ll make alot of difference to the progress of humanity as we know it. Edit: thanks for the silver stranger 🙂


A planetoid the size of Australia on a collision course with Earth.


A badger with a built-in dart shooter on it’s back.


An affordable and feasible way to neutralize CO2. Something that would immediately turn it to water or oxygen or fairy dust.