There’s something about making a cup of coffee that riles people up. Somehow, each debate breeds its own sub-debates — brewer vs. pour over. Hario vs. Chemex. Medium grind vs. coarse grind, and so on.
The true test of the amateur astronomer is building their own telescope. Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built ...
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