Recently our power went out (at home) for some 12 hours. The gas grill did the trick getting water up to temp. but it soon dawned on me - how the heck do you grind beans with no electricity? I made a feable attempt to do a mortar & pestle type thing with the back of an ice cream scoop and a ceramic bowl. Not one to mind the lack of luxuries in life but this was serious. I wonder how others gr…