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- Reply toA lighthouse’s Fresnel lens, built from glass prisms that concentrate light into a powerful beam in
InterestingAFReply toA lighthouse’s Fresnel lens, built from glass prisms that concentrate light into a powerful beam inInterestingAFMust have been a nightmare to make the first one and not shatter it when putting it at the top of a lighthouse
For social and fiscal conservatives to discuss political and cultural issues and news.
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Please no. Do it diplomatically. Get gas prices down and help us elect another Republican president in 2 years
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