tag:blogger.com,1999:blog-5216738179263317509.post2344049381792956506..comments2024-01-08T00:25:24.777-08:00Comments on Philosophy of Science Portal: Epitrochoids and hypotrochoids=SpirographMercuryhttp://www.blogger.com/profile/13757909461674304095noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5216738179263317509.post-76284502798785283512012-08-24T08:11:20.986-07:002012-08-24T08:11:20.986-07:00Had one as a kid. Loved to use it. I guess it wa...Had one as a kid. Loved to use it. I guess it was my first psychedelic experience!Aildouxhttps://www.blogger.com/profile/07360299288468715448noreply@blogger.com