More on How to Make Clear Ice
...cooler (also known as “directional freezing”). The distilled water and hot water methods don’t work, according to English. I also learned that the enigmatic David Rees (author of a book on sharpening pencils!), and one of the smartest people I’ve ever met, did a whole National Geographic special on ice that includes a segment on making clear ice. And did you know that clear ice sometimes happens naturally? Behold this viral YouTube hit, “Walking o...