Learn more You've probably heard the term "polarized" in regard to sunglasses, but what does that really mean, and is it an important factor when choosing a pair of sunnies? I spoke with two ...

What are polarized sunglasses and how do they work ... rudimentary technology that was discovered by the father of the Polaroid camera, Edwin H. Land, back in 1929, and brought mainstream shortly ...

American Optical made polarized sunglasses. It even made 3D movies and photographs more practical. In 1937, the company changed its name to Polaroid. But it would be 1943 before the Polaroid ...