Heisenberg’s Uncertainty Principle. Why, exactly, can you not know both the velocity and position of a particle?
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the way i think about it is at the scale, the particles you use to measure something are the same scale as the thing you are measuring.. so imagine trying to find a football in a dark room by firing tennis balls into the room and seeing what comes back. if a tennis ball does come back then you found the ‘football’, but you also know the football is no longer where it was because the tennis ball moved it when it bounced off it
the book ‘the god particle’ is really good for explaining this stuff, the title makes it sound lousy but it’s actually really well written and has good explanations of many experiments and scientific principles
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