Boing Boing 

Video: HOWTO make waterproof sand at home

YouTuber IncredibleScience has a great at-home science project that's kid-friendly: making waterproof sand.

Read the rest

Video of sand grain microphotography

BA0082F2 0D4E E9B2 A89D1854ED4B42F9 3

Last week, Cory posted about Dr. Gary Greenberg's marvelous microscope photography of sand grains. Greenberg literally wrote the book on sand grain microphotography, titled A Grain of Sand: Nature's Secret Wonder. Above, is a beautiful video promo for the 2008 book.