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 ...

Instead of a conventional rear-view camera, Cadillac has come up with one that offers either the standard reflection or the view from a camera on its 2016 Cadillac CT6 sedan and 2017 Cadillac XT5 SUV.

Take the lens off of a film SLR or a digital SLR and you’ll find yourself staring into a mirror. In fact, mirrors have been essential camera components for more than 150 years—that is, of course, ...