One’s senses connect us to the world in many ways and through many steps. One’s mind interprets one’s perceptions obtained through one’s senses. One’s mind is made of a brain and the interconnections that neurons make that give reality to the idea.
So is it the world real? Or is it an idea? (Old question that we'll not answer here!)
Along human history there have been many discoveries of “natural” laws and phenomena that occurred by serendipity, or mistake! Some discoveries were due to unsuccessful attempts to demonstrate some unsustainable theory such as the existence of aether. This aether had been proposed to explain the transmission of light and its high speed through the universe. The experiment performed by Michelson and Morley as it failed opened the door to a new way of thinking; where the idea of “vacuum” became accepted, and as others -like Lorentz try to “fix” the problem- were very imaginative with their proposals.
Lorentz proposal of a contracting space even though wrongly stated to fix the Michelson-Morley experiment gave support later on to Einstein for his proposal of “time” relativity where time itself would shrink or dilate if the observer was moving relative to the frame of reference. Lorentz contraction –or relative expansion of the other system- is now used with no hesitation as one calculates the interaction of orbiting communication satellites that use electromagnetic signals that have to follow Einstein’s relativity theory.
Time after all is relative, so I’m going to stop here
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