Bøker av Stephen R. (Optical Engineer and Project Manager Wilk

Why are candle flames yellow? Why does ultraviolet light supposedly kill vampires? What about the monocle? Why was the monocle-a corrective lens that only corrects vision in a single eye-so popular among businessmen and politicians for so many years? Stephen R. Wilk answers all this and so much more in Sandbows and Black Lights.