On 19 May, 13:05, Andy Dingley wrote:
On 19 May, 02:55, Weatherlawyer wrote:

One of the do-dah's introduced was a machine that ground glass bottles
using acoustic shock.

It's on-line somewhere, but their description was quite gee-whizz and
very secretive on details of how to make your own *8-)

Krysteline!

http://www.krysteline.net/Implosion.htm