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msjs08's latest activity
msjs08
replied to the thread
Making a Giant Telescope Mirror Takes Years
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If you want a seriously big, super accurate mirror, look at trying to score one of those older silicon chip etching machines for...
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msjs08 replied to the thread Making a Giant Telescope Mirror Takes Years.If you want a seriously big, super accurate mirror, look at trying to score one of those older silicon chip etching machines for...