What book was that invention in?

In case you frequently get vague requests that you have no way to research,
this is a surprisingly deep resource for finding science fiction books by
the invention that they feature. So many of them are coming out of fiction
and into fact these days, that I thought it might be useful for those on
this list. It's categorized and searchable. I ran across it because I was
queried on sci-fi clothing by a fashion designer.

http://www.technovelgy.com/ct/grabbag.asp?Offset=13

Enjoy!

Ben