Archived posting to the Leica Users Group, 2011/09/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Sep 16, 2011, at 6:28 AM, Peter Cheyne wrote: > Tomorrow I'll give an 8 year old boy a gift of a small prism , so he can > have fun making rainbows. However, after playing with it myself for a > couple of hours, I can't even get a spectrum myself. > I imagined it wouldn't be too hard to recreate the cover of Pink Floyd's > Dark Side of the Moon. > > Has anyone done this before? Any tips to pass on to the young lad? Place triangle of prism on piece of white paper. in sunlight with one of the vertical sharp edges in direction of sun rotate slowly as needed until spectrum appears projected on paper Regards, George Lottermoser george at imagist.com http://www.imagist.com http://www.imagist.com/blog http://www.linkedin.com/in/imagist