In the age of digital photography, how does Leica, a German camera company founded in 1849, still attract legions of devotees? The answer, as this video shows, is in their lenses -- which go through 60 quality control checks by ...READ»
Simplicity is often the key to a great invention, and that's at the core of this idea from a retired physics professor: Adaptive eye-glasses that are easily tweaked to suit the wearer.
Joshua Silver's invention has flexible ...READ»
