IN such elementary text-books on geometrical optics as I have consulted it has always seemed to me that the writers have found a difficulty in presenting a precise direct proof of the theorem that ...

Matt Demers is a Toronto writer that deals primarily in the area of Android, comics and other nerdy pursuits. You can find his work on Twitter and sites across the Internet. I'm a big fan of puzzle ...

Explore the multifaceted concept of the prism, illustrating how it reflects the interplay between perception, light, and meaning in science, literature, and culture. Discover its significance in ...