Do you remember the palette of paint you had as a child?  It was probably the rectangular box with the eight or so oval color “bricks”: red, orange, yellow, green, blue violet, brown and black.  The plastic brush would nestle right in front, and you would get a little cup of water to rinse off your brush - a cup of water that would magically turn murky brown to black after only a few rinsings.  Read more…