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Its not like we get rid of the old equations. We still have the Newtonian equations, in addition to special/general relativity. We still have Maxwell's equatio
by enkid 6y ago
Its not like we get rid of the old equations. We still have the Newtonian equations, in addition to special/general relativity. We still have Maxwell's equations in addition to quantum mechanics. They are useful in different situations, but they are still useful.
- ravi-delia 6y agoOhh OK, I see what you're saying. I more meant to say that the smallest possible set of equations from which the rest could be derived is shrinking.
- ssivark 6y agoThe “more fundamental” equations replace the “less fundamental” ones, which can then be derived as approximations or limiting cases valid in restricted regimes (Eg: Newton’s laws of motion + gravitation from the weak field approximation of General Relativity + the low speeds regime).
- enkid 6y agoWhich one is more complicated, Newton's equations or Einstein's?
- ravi-delia 6y agoIt comes down to asthetic preference, but honestly the elegance of Einstein's equations really appeal to me. Newton's feel somewhat abrupt, Einstein justifies why God chose those in particular.