Use the search at http://www.keelynet.com and search for "dr. x", with out
the quotes (doesn't work with them, I just tried it and some other combos).
You'll get a lot of nonrelivant things but you'll see in the titles
the few that are. He talks of separating via ultrasonics.
Any one have any updates on this?
http://www.biogate.com/bpaddock/