Newton's unweaving of the rainbow led on to spectroscopy, which has
proved the key to much of what we know today about the cosmos. And
the heart of any poet worthy of the title Romantic could not fail to leap
up if he beheld the universe of Einstein, Hubble and Hawking. We read
its nature through Fraunhofer lines - 'Barcodes in the Stars' - and their
shifts along the spectrum. The image of barcodes carries us on to the
very different, but equally intriguing, realms of sound ('Barcodes on the
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Folksonomies:
Folksonomies: