I, of course, meant cold water, not hot. Tom
On Wed, Mar 03, 2010 at 10:59:44AM -0800, Tom Fowle wrote: > Ray, > My dad made a device to do that by stripping a couple feet of nicrome > wire off of an electric heater and wrapping it tightly around the bottle > to geti it hot quickly, then as you say dropping it into hot water. > > The resulting cut edge was usually quite sharp. > It might be interesting to try it with regular wire > and a 12 volt battery but I wonder if the heat rise in the wire > wouldn't be so fast as to burn the wire before transferring much > heat to the glass. > > > Tom Fowle
