Stephen Fay@dcxStepJun 3Metallic 100% reflective spray for eyelids to block all photons when eyes shut so you can sleep anywhere ez265
Stephen Fay@dcxStepMay 15On a hot day 1m^2 receives about 1000 W from the sun, which means 1km^2 gets 1GW, which is 0.2% of the US energy budget181
