Particle spin is one of those things that are difficult to imagine, but still do exist despite us having troubles to picture them in our minds.
Electrons have this property too: electron spin is a form of angular momentum too. This property is fundamental, just like their charge and mass. Image credit: jw210913 via Pixabay, free licence
Since its discovery back in 1924, particle spin has become a fundamental component of the entire quantum physics, and is used to describe particle’s behavior. We usually tend to imagine that it should have to be associated with the rotation of elementary particles. But in reality this quantum phenomena does not have any analog in classical physics, although scientists often use the example of the rotating elementary particle to illustrate quantum spin.
There are even more fascinating things related to this topic. This property of particles – their quantum spin – is crucial for the existence of… everything. Thanks to it, the entire universe, all the objects contained within it, have a stable structure. How can this be? Watch the in-depth explanation in the video below:
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