Where do you hang out now? I haven't found a decent replacement . . .

Except I called it the "it's still fucking Java" bug. That bug report didn't go over too well :P

TFA is a poor re-blog of the original article here, which has this video, where you actually hear how it is made: Hollow steel balls are pored into a from, (and presumably agitated to settle them in a uniform matrix), then aluminum is pored over them to fix them there. So yes, should scale up well.