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This close observation leads to an insight of the invisible energy generating and animating the visible , an insight that makes sight superfluous . A similar kind of anarchy existed in pre-web times , but services like Google and Amazon have made it easier for individuals , not part of the invisible college , to find the knowledge gatekeeper or unpublished paper or book extract through a simple search . He especially enjoyed the white noise of interference between the stations , which gave him a feeling of being in touch with the invisible radio waves , a kind of punk version of the music of the spheres . Over the sky hung thin grey clouds , broken with strips of hazy blue , and softly suffused with warmth from the invisible sun .