The Father of Nuclear Physics and His Contributions Sir Ernest Rutherford, a New-Zealand born English physicist and one of the preeminent scientists of the early 20th century, once said, "Gentlemen, now you will see that now you see nothing. ... According to classical physics, such a system would be unstable due to the fact that any charged particle moving on a curved path emits electromagnetic radiation, thus the electrons would lose their energy and spiral into the nucleus. ... The maturing field of quantum physics revealed that knowing an electrons position and velocity was impossible. ...

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• Grade Level: Undergraduate