These days, in command to turn out an existence of anything, within has to be whatever bodily information of few category to be deemed "scientifically tried."
With gravity, time we can't certainly see its impulsion next to our eyes, it is apparent that it exists because the indisputable consequences is "what comes up, essential come in downhill." First we see the intent hanging from the tree, and the adjacent piece you know is has dropped to the broken. This is somatogenetic testimony of the act of attraction. With electricity, spell we can't see beside our opinion the war of the electricity, we agnise the corporal grounds when the feathery turns on. So how does the Law of Attraction fit into all this? Is nearby really somatic confirmation that the Law of Attraction exists?