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World war 1 started
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Albert Einstein publishes his theory of special relativity about how the closer you get to the speed of light the slower time goes.
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World war 1 ended
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Max Planck and Niels Bohr discovered Quantum mechanics and each won a Nobel prize. Quantum mechanics is a study of energy and matter from at the smallest and most basic part of physics.
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BAND-AIDs were invented
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Albert Einstein expanded on his previous relativity theory. He added new parts to the theory explaining gravity and called it General Relativity. Its a theory that huge objects (like planets) bend the fabric of reality thus pulling objects in with gravity. As an example imagine you are on a trampoline and you sit down, it makes a divot, then you put a ball down. The ball will roll towards you like an object would to a planet. His theory was that the fabric of reality was like that trampoline.
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Erwin Schrödinger made wave functions which calculate the probability of where an particle is.
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Schrödinger published a mathematical equation that is now called the Schrödinger equation that proves wave functions.
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Werner Heisenberg expanded on Quantum mechanics and added a principle called 'The Uncertainty Principle.' This Principle explains how we can never know the exact position or speed of any given photon or an electron.
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Einstein, Podolsky and Rosen discovered quantum entanglement which would bring problems between relativity and quantum mechanics. Entanglement is where 2 wave functions(particles) overlap forming a connection between them. This means no matter how far the 2 wave functions(particles) are from each other if you measure one function there is an instant translation to the other the wave function that makes this second wave function the same as the first. This translation is faster then light...
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Helicopters were invented
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World war 2 started
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A researcher at 2 laboratories proves entanglement. 2 particles 10 feet apart were and can be entangled.
