Detection: n. sensing the existence of a subset(s) and it can be done with the aid of a sensing machine
Humans use their senses to detect things in the environment but we have invented machines such as colliders which detect sub atomic particles and telescopes which can see stars and galaxies which the human eye can’t. We can detect gravity and electromagnetic waves with the aid of machines so our natural senses have been expanded considerably.
Despite these inventive machines there is still the very very small and the very very distant objects which we just can’t see or detect. Future machines may be invented to detect and sense what currently can’t be detected or sensed but until it happens our knowledge and understanding of the universe and its functioning will be severely limited, especially if we only have mathematics as a tool to rely on.
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