Things have never been easy for Metallica’s 1996 album Load, a multiplatinum record nobody ever admits to liking, especially the band’s most avid fans. In early 1995, Metallica had a “good problem”: ...

Make a truth teller for light. Turn an old CD into a spectroscope to analyze light—you may be surprised by what you see. Try pointing your CD spectroscope at the fluorescent light in your room, sunlit ...