> You can "unbreak" glass. I had a project that started to get a stress fracture as it cooled. I quickly put it back in a cool part of the torch flame to anneal

> You can "unbreak" glass. I had a project that started to get a stress fracture as it cooled. I quickly put it back in a cool part of the torch flame to anneal it. The cracks literally healed. Curious, would that still maintain a weak point in the area?