relativistic observer

Pieces, the separate parts of a whole, help us understand the logical process of construction. The relationship between the pieces, such a...

Before there was Painter, what was my style like? Did Painter change my style? Or did it just extend it into new media? When I was young,...

I have never seemed to have any problem thinking in 3D. What should you look for in kids that are good at this? Perhaps I can give a few poi...