CCNMTL (1999-2015) pages for archival purposes only. Please visit

News & Updates Archives

"Web Watch," Physics Today

Home > News & Updates > "Web Watch," Physics Today

In the past, astronomy was confined to one spectral band, the visual. Now, however, astronomers exploit the entire electromagnectic spectrum. To demonstrate the power of full-spectrum observing, Columbia University's David Helfand makes an aural analogy. His website, Seeing the Whole Symphony , offers audio files that sample the last movement of Beethoven's Ninth Symphony one octave at a time.