3-D has become popular faster than filmmakers have figured out how to use it, and so advances in the artistry of 3-D are taking place movie by movie. Last year, Martin Scorsese showed how 3-D could be ...
Most people know about the numerical constant pi (or π, if you prefer). But did you know that pi has an evil twin represented by the symbol ϖ? As [John Carlos Baez] explains, it and its related ...