It is OK to treat things as black boxes

ID: it-is-ok-to-treat-things-as-black-boxes

It is OK to treat things as black boxes by Ciro Santilli 37 Updated +Created
You don't need to understand the from first principles derivation of every single phenomena.
And most important of all: you should not start learning phenomena by reading the from first principles derivation.
Instead, you should see what happens in experiments, and how matches some known formula (which hopefully has been derived from first principles).
Only open the boxes (understand from first principles derivation) if the need is felt!
E.g.:
Physics is all about predicting the future. If you can predict the future with an end result, that's already predicting the future, and valid.

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