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Miscellaneous
Powers of 10
Molecular Expressions: Science, Optics and You - Secret Worlds: The Universe Within - Interactive Java Tutorial
Powers of Ten
powersof10.com
Google Tools
Google Local
Google Earth
Google Sketchup
Golden Section
Golden Section and Photography
Misconceptions about the Golden Ratio
George Markowsky
College Mathematics Journal, Vol.23, No.1 (Jan., 1992). pp. 2-19 [ also via HKUL online]
Golden Mean Gauge
, an interesting device for examining golden proportion
Great Golden Pyramid
Pi Day
Pi Day 2004