Why is the fountain blue? Here in Silicon Valley, two parks have Geneva-style fountains in the center of their lakes -- one in Sunnyvale, another in Cupertino. Instead of white, like in Switzerland, the water's a kind of azure turquoise. Why? A caustic acid to burn anyone foolish enough to take a dip? Chemicals to eradicate algae? Please advise. [more inside]
posted by Rash on Oct 12, 2009 - 12 answers

WWII London Blackout question -- blue streetlights? [more inside]
posted by Rash on Nov 22, 2005 - 4 answers

Tell me about the blue jeans young people wear these days - the kind with the big white blotches. [more inside]
posted by Rash on Oct 4, 2005 - 25 answers