the best forum and archive on the internet for layman-friendly explanations
ELI5: How do the lights in NYC commemorating 9/11 work.
ELI5: How do the lights in NYC commemorating 9/11 work. * /r/explainlikeimfive
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the best forum and archive on the internet for layman-friendly explanations
the best forum and archive on the internet for layman-friendly explanations