In reply to Mark Goldes's message of Thu, 25 Jan 2007 12:53:19 -0800: Hi, >Vo, > >The prototype seems to be real. However, it does not seem to be a simple >device to mass produce, as it depends on special ferrofluids and what may >prove to be Hg, as a second liquid used separately in this system. If it is >Hg, the toxicity and difficulty of obtaining sufficient quantities may >severely limit production. [snip]
A Google search on Wang Shum Ho yielded http://www.steorn.net/forum/comments.php?DiscussionID=38371&page=1 Note that Lawrence Tseung claims the Chinese device is a Steorn knock-off (if I read correctly). Regards, Robin van Spaandonk http://users.bigpond.net.au/rvanspaa/ Competition provides the motivation, Cooperation provides the means.
