Path: utzoo!utgpu!utstat!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!nic.MR.NET!umn-cs!meccts!viper!dave From: dave@viper.Lynx.MN.Org (David Messer) Newsgroups: comp.graphics Subject: Re: How to view Superbowl 3-D Message-ID: <1849@viper.Lynx.MN.Org> Date: 1 Feb 89 19:06:53 GMT References: <3230@datapg.MN.ORG> <17670006@hpfcdj.HP.COM> Reply-To: dave@viper.Lynx.MN.Org (David Messer) Organization: Lynx Data Systems, Eagan, MN Lines: 29 In article <17670006@hpfcdj.HP.COM> myers@hpfcdj.HP.COM (Bob Myers) writes: > >>... No, the filter doesn't slow down the light. > >Actually, it *does* slow down the light. Sunglasses and other dark filters >are actually "red-shift" generators, and visible light passing through them >is shifted down below the visible range, and hence appears "darker". The >literature is filled with stories of people who did not realize this, wore >ordinary sunglasses skiing, and wound up with severe burns due to the >now-infrared glare. Yes, sunglass technology is actually rather complex. In fact the "darkness" of the glass is caused by thousands of quantum black-holes imbedded in the glass. These cause light to be red-shifted as it passes the gravitational field of the black-holes. > >:-) :-) :-) :-) > >(Persons who believe the above are invited to contact me with regard to >acquiring some waterfront property and various bridges.) > >Bob Myers KC0EW HP Graphics Tech. Div.| Opinions expressed here are not -- _____________________________________________________________________________ __ _ _ _ David Messer - Lynx Data Systems / ) / ' ) ) ) dave@Lynx.MN.Org -or- / / __. , __o __/ / / / _ _ _ _ __ ...{amdahl,hpda}!bungia! /__/_(_/|_\\/ <__(_/_ / ' (_