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January 01, 1990The laser passes through a splitter and lens, bouncing off the disk to the detector.Play-...moreShareView all episodesBy John C. Bean - WeCanFigureThisOut.org322 ratingsJanuary 01, 1990The laser passes through a splitter and lens, bouncing off the disk to the detector.Play-...more
January 01, 1990The laser passes through a splitter and lens, bouncing off the disk to the detector.Play-...more