Thanks for the reply.
Sound is not an issue, with practcality I meant it needs to be portable, using sound would require big speakers, amps, etc.
Thermal Shock sounds interesting but it wouldn't be practical.
Is there any way to create some sort of 'explosion' that would break glass but...
Hi
I was just wondering what ways you can smash glass without physically touching/breaking/throwing something at it. For example, I know that the "force" of an explosion can break glass that is a fair distance away from the actual explosion. So is there any way you could make something that...