Have you noticed that there's always something new to learn? Furthermore, it's only when you are trying to explain something to someone else that you realize where there are holes in your own ...

As you may recall, I have an ever-evolving paper on Color Vision. Well, some time ago, a retired electronics engineer called Dwight W. Grimes contacted me with some suggestions with regard to additive ...

THE Eastman Kodak Company has introduced a new 16 mm. cinematograph colour film. This is known as the Kodachrome film. It differs from many other colour films now available in that the colour effects ...