Sir Isaac Newton invented the Newtonian reflector which is still the most widely used astronomical telescope design. To my shock, his original reflector still exists:
Conservative. Idaho. Software engineer. Historian. Trying to prevent Idiocracy from becoming a documentary.
Email complaints/requests about copyright infringement to clayton @ claytoncramer.com. Reminder: the last copyright troll that bothered me went bankrupt.
I've seen a number of this fellow's videos, and they are very interesting, as he goes through every stop on the periodic table.
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