Two off-the-wall ideas for useful (or at least entertaining) inventions (original to ^z, as far as he knows, both thought of many years ago) --- based on shrinking something down a few orders of magnitude:

Two cute concepts derived from scaling optics or mechanics --- what are some others?

Tuesday, October 05, 1999 at 06:12:48 (EDT) = 1999-10-05

TopicPersonalHistory - TopicThinking - TopicScience

I believe that the idea of a device like the second item showed up in a Scientific American magazine (It was in one of the Mathematical Games, Metamagical Themas, etc. recreational math columns), where a monk at a fictional monestary was told to build a digital sundial. His trick was like that described above. - RadRob

(correlates: GenderBenders, OrchardOfThoughts, FractalWalls, ...)