NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Norm Goldblatt
Date: 2013 Aug 15, 12:43 -0700
Yes- we used to play with Mercury all the time. Chase it, dip a dime in it- makes it slippery and glistening. I'm not an MD, Thomas, but if you knew me, you'd know I suffered no ill effects- according to me, not my wife! HAHA!
I'm not sure why you would use mercury, tho. Can't you use some attenuation of the Sun? Top surface of water or oil is only about 4% reflection, which seems ideal. Oil seems good because of the viscosity discouraging ripples and because there's some further attenuation suffered from transmission, hence discouraging a second reflection from bottom. Heck, dirty oil would be even better.
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