The following is purely unsubstantiated conjecture as at June 2002 but I believe it to be well reasoned and can find nothing in any reference source anywhere on the Internet to refute any part of it. If you can tell me which part is wrong and can provide experimental evidence for your claim, do please let me have that information: sparkspin@btinternet.com

I am suggesting that although it is generally agreed that the energy given off by a single bubble SL collapse event doesn't amount to a row of beans and is impossible to usefully capture or make use of as an energy source, something important may have been missed...