This is a blog about various design and technology subjects.

Archive for July, 2017


In the world of art materials, things keep getting better and better. 100,000 years ago, in Blombos Cave in South Africa, a complete toolkit for grinding pigments and making a primitive paint-like substance has been recently discovered. Egyptians mixed pigment with gums or animal glue, which made them workable and fixed them to the surface being decorated over ago, and they still possess their brilliant color 2,000 years later. We have come a long way.