Thread: Paint the inside of telescopes with?
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Old November 25th 17, 06:59 AM posted to sci.astro.amateur
RichA[_6_]
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Default Paint the inside of telescopes with?
Honestly, there is a new material like is announced every five years or so. Nothing much comes of it, but who knows?

http://www.cnn.com/2017/11/15/world/...ial/index.html