Born #onthisday in 1882, Max Born was one of the fundamental figures in the development of quantum mechanics. He was a mathematician, theoretical physicist and Nobel laureate.

Among the many mind-boggling things about quantum mechanics is Born's interpretation of the wave function ψ, known as the Born Rule [1]. According to the Born rule, if the wave function of the particle has the value ψ at some point x, then the probability of finding the particle between between x and x+dx is

P(x ≤ x ≤ x+dx) = |ψ|² dx

where |ψ|² is the probability density function for the particle's location.

[Image credit: https://en.wikipedia.org/wiki/Max_Born]

References
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[1] "Born rule", https://en.wikipedia.org/wiki/Born_rule

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