> Caffeine is 33 times more soluble in hot water! On the other hand, you "boil" your coffee for 2 minutes, not 2880 minutes (48h). But I'm no chemist, so you m

> Caffeine is 33 times more soluble in hot water! On the other hand, you "boil" your coffee for 2 minutes, not 2880 minutes (48h). But I'm no chemist, so you might still be right, despite the different orders of magnitude. Also, we're not factoring in the water/steam pressure. Anybody volunteers for extracting coffee with an espresso machine for 48h?