yup, i used to give them a quick dip in liquid nitrogen then whack them
with the edge of a metal spatula. under the hood, of course, with a
thick layer of glass between my face/body and the flying glass shards ;)
Swain, Frances L wrote:
I would not use liquid nitrogen. The safest way to do th
I would not use liquid nitrogen. The safest way to do this is to put the
blocks in a refrigerator freezer for a couple of hours. Remove quickly, remove
caps, wrap in paper towels and hit with a hammer. Be sure to wear protective
clothing, eye covers and gloves. When the glass has broken into
