Kodak's disc camera was was lightweight, foolproof (with auto-exposure and built-in flash), affordable, and used a brand new kind of film cartridge. but it was only sold for six years.
Ray-Ban 3139 Shooter glasses with G-15 lenses (Francis Flinch/Wikipedia)
19 Feb 2021 We Are The Mighty | By Bethaney Phillips
Every year, the U.S. military spends tens of millions of dollars on researching and developing new products. From the behind-the-scenes work that tracks what’s necessary, to the science that makes it possible, to prototypes and testing it all out in action, new inventions are brought to life through military research and development every day.
But what we don’t realize is how many common products actually got their start this way. Just because these products were invented by the military doesn’t mean they stayed there. In fact, many items made it to mainstream use, and it’s been long-since forgotten how they got their start.