In hindu culture, bindi is traditionally used to indicate marital status on women, protects them from 'bad eye'. Male dot on forehead is called tilak. However today the religious significance of the bindi is largely forgotten and it is now worn as a fashion accessory rather than its religious significance, to the extent that it crops up on runways of fashion shows.That said, the mood bindi/tilak indicates mood at any given moment by means of clear glass atop thermotropic liquid crystals.Dark blue: Happy, romantic or passionate Blue: Calm or relaxedBlue-green: Somewhat relaxedGreen: Normal or averageAmber: A little nervous or anxiousGray: Very nervous or anxiousBlack: Stressed, tense or feeling harriedDisclaimer: Results may varyNote: Google returns no results for "mood bindi"kudos: Helium and angel for catchier title of kaleidescopic mood indicator-- thumbwax, Jan 21 2002 Overview of Mood Rings http://howstuffwork...com/question443.htmNot a powder [thumbwax, Jan 22 2002, last modified Oct 05 2004] And these thermotropic crystals . . . they get their info based solely on the skin temperature? Is the list you have there arranged in thermal order? Is "black" from extra hot, or cold? (sorry, I'm "mood ring" ignorant)-- bristolz, Jan 21 2002 Would menopause give a kaleidoscope effect?-- Helium, Jan 22 2002 Yes-- thumbwax, Jan 22 2002 Heh.-- bristolz, Jan 22 2002 As Ol' Blue Eyes said, 'You ain't been blue til you've had that Mood Bindi go.'-- angel, Jan 22 2002 random, halfbakery