06-15-2019, 04:05 AM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,555 Times in 22,784 Posts
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After NASA and Ceradyne invented a clear material that could protect radar equipment without blocking the radar's signal, Unitek Corporation/3M teamed up with Ceradyne, using the material to invent invisible braces.
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