The "World Brain" is in the permanent
collection at the Chemical Heritage Foundation Museum in Philadelphia. If
you are interested in seeing it, the viewing
of exhibits is by appointment only. Please call (215) 925-2222.
The emergence of interest in method and potential of the
technique is quite encouraging. Over the years I have had some interest from
Gerber for applications in the Sign Industry. I have seen some products come
along that exploit the phenomena for its iridescent and other optical
effects made by making machine marks on metal and other substrates.
Duplication may be possible in a similar way as LPs by pressing. Email
your comments to me at