[Karl H]

Quote:

Originally Posted by zotjen /img/forum/go_quote.gif This thread brought back memories of the old Memorex commercial. I couldn't find the original though - only this one. Bkt8Dwzl6Sg

Ah, excellent... loved these ads.

 

[fameh]

With no doubt yes, it happened to me with a glass of very fine crystal rocking my speakers xDDD
Al the crystal cracked and still that volume wasn't a madness. Not so difficult to crack a slim glass.

Another example:
YouTube - How to break a wine glass with sound - better version!
Hahaha, that one much more wild than mine

 

[ashmedai]

The wine glass trick is REALLY easy given some basic equipment. The frequency needed to shatter it is the same one produced when you run your finger around the rim (which is the same effect backwards - vibration of the glass into sound instead of sound into vibration of the glass). It's nothing you can't do at home with a decent microphone, a computer, some relatively strong speakers, and a copy of LabView. Oh, and hearing protection. The amplitude needed isn't that high, but high enough you should take care.