Every single grain of sand looks different, according to Dr Gary Greenberg, who magnified sand particles 200 times, & photographed what he saw. Grains of Sand Magnified
What I see in different shades of gray, from behind my reading glasses
Every single grain of sand looks different, according to Dr Gary Greenberg, who magnified sand particles 200 times, & photographed what he saw. Grains of Sand Magnified