 | | Re: Black —Steve Hodge
| | | | (...) Keep in mind that the light sensor generates a red light, so you're really measuring the reflectivity of the target in the red part of the spectrum. Thus red is as reflective as white (some of the other results, e.g lavendar, are still pretty (...) (25 years ago, 29-Jan-00, to lugnet.robotics.rcx)
| | | | | | | | | | Re: Black —Mike W. Burger
| | | | | (...) True, I was shocked at all the colors that were "white". I think part of this is due to the poor quality of the construction paper. Close examination indicates a fair amount of unstained fiber, for instance the black read a lousy 47, compared (...) (25 years ago, 29-Jan-00, to lugnet.robotics.rcx)
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