You Probably Use Most Of These Things Every Day, and They Wouldn’t Exist Without NASA

Scratch-Resistant Lenses

If you wear glasses, you might have had the misfortune of having your lenses scratched after cleaning them. If not, consider yourself lucky. So how did lenses become less susceptible to scratches? Whoever said “diamonds are forever” got it right (we’re assuming it’s James Bond, but you be the judge). However, 007 or any spy would nod in approval for the DiamondHard coating that made it all possible.

At the outset, the coating was supposed to be used for aerospace systems. The Lewis Research Center wanted to use the hard to scratch ability in diamonds and mix it with different types of substrates. This would lead to the development of the coating known as Diamond-Like Carbon (DLC).

Is DLC used for just lenses? Short answer: no. DLC is also applied on products made from steel and other materials. Do you shave with a multi-blade razor? There’s a good chance that DLC has been applied to the blades to ensure that they continue to give you the best shave possible. Also, DLC is used in parts that allow artificial human heart pumps to function properly. Who knew NASA would end up being in the business of giving you a close shave or saving lives?

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