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I'm not really qualified to answer this, but I don't think there is any dividing line. The quantum level is not about absolutes. It's about probabilities. As you move towards a larger scale, those probabilities create the illusion of absolutes, and, at some point, the probabilities are so constrained that they might as well be absolutes.
Can anyone explain to a layman why the Newtonian view of the world - laws etc.- still work n an everyday level when quantum discoveries/theories show that things work quite differently and sometimes contrarily at the quantum level?
HII'm not sure the new title is any better. I know how the theories are different. I wanted to know how they can coexist since they often seem to contradict each other.
Thanks for the input. But when I read that things can exist as a wave or a particle,
and that what things are is influenced by whether they are being observed or not, (and the cat thought expt. didn't help much)
this doesn't help when I'm in a plane and think is this a collection of particles that could change into a lot of waves?
And what about entanglement? If this can happen to a quantum particle why not to a collection of them?
My comment remains - re the average /reasonably educated person has no chance of ever making sense of it all and only the very favoured few are able to get even a glimpse of what it's all about.
Physics is about how and why we exist at all. It's our try for making some sense out of it.
I wonder sometimes how the elite physicist can even function in an everyday life, eating his cornflakes and taking out the garbage when reality is ....well, only they know. Thanks everyone anyway for trying . . .
Curiouser and curiouser and through a glass darkly etc etc. My comment remains - re the average /reasonably educated person has no chance of ever making sense of it all and only the very favoured few are able to get even a glimpse of what it's all about. The Jest of God . . .(not that I believe in him/her . . .)
Newtonian physics works on macro level and QM works on Quantum level, when you look at the world everything is logical and makes perfect sense, everything seems perfectly normal. When we look at Quantum level everything is weird and doesn't make logical sense, logic dies out.
1. Physicist say you other lay people are too stupid to understand what is being talked about, you have to learn high level math and it gives right answers...
Everything though is fine till the point we think that where does it all change? When you talk about single atom does the law change or is it when you talk about multiple atoms? What happens when the laws change, this middle level actually has balanced laws something between two laws or is the change abrupt? Does this change over layer has its own law, in case it does how many layers are there?
The whole "science" we have today is based on "say" of few people, even if direction seems wrong same laws are followed without bothering about where we are heading or looking at alternative root, it doesn't matter just keep walking as long as you get answers right even if it involves 100 different constants.People say "we are going the wrong way", scientist say "we study, this is why we know that we are going the right way" and still others don't care.