I think I may have mentioned this before but if no
Post# of 22456
The same goes for the QD security apps we've heard so much about , as illustrated by this quote from a newsbyte this afternoon: " Today single-photon sources for uncrackable encryption keys, such as quantum dots, operate at extremely low rates — just a few photons per second — making their light extremely dim ": http://www.eetimes.com/document.asp?doc_id=1330340 Hereagain, I don't know if these guys are behind the times, but if not, where's-the-beef ?