This user joined on 12/06/2016.
a prototype of a wind chime that is based on the pentatonic scale, but the key gradually changes over time. see https://web.archive.org/web/20080709014635/http://home.comcast.net/~t129wojce647/projects/windchime/index.html
A device that makes three foot diameter smoke rings. see for more info: https://web.archive.org/web/20121213171633/http://home.comcast.net/~t129wojce647/vger/index.html
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