There’s a famous story (also proven false) that NASA spent millions of dollars inventing a pressurized pen that could work in the zero gravity of space, while Soviet cosmonauts just used pencils. A ...

Canon has patented a bunch of lenses with mirrors for full frame cameras and I’ve made some educated guesses why ...

Now that small electronic screens have became good enough and camera processors fast enough, recent camera designs are dispensing with the traditional mirror of (D)SLRs to display the image for ...