How do we know the idea that particles don’t exist in one definitive spot until we measure them, isn’t just our lack of knowledge due to not measuring them yet?

Question

How do we know the idea that particles don’t exist in one definitive spot until we measure them, isn’t just our lack of knowledge due to not measuring them yet?

In: 17

Answer 1

This is the best video analysis I’ve seen on the subject:

[https://www.youtube.com/watch?v=3CyN8rYdX6g&t=5m56s](https://www.youtube.com/watch?v=3CyN8rYdX6g&t=5m56s)

Not sure an actual 5 year old would understand, but the visuals do help a lot.