Clips from a BBC documentary explaining the arguments from the 1920's until now as to whether electrons are particles, waves or both. (Embedded from YouTube)
It outlines Einstein's distaste at Heisenberg's uncertainty principle and is a good starting point in realising that the universe is far, far stranger than can be imagined.
The_Walrus
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It's pretty much as I have been telling people who have trouble with quantum theory for ages.
If you try to think of electrons as being like something that is familiar to you, you will not understand. Electrons are not tiny cricket balls, and they are not tiny tsunamis. They are electrons, and they do what they do, which can be described using formulae. There is not something they look like.