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done by descartes before him who came to very different conclusions he took a prism you might ask where do you get prisms in
the you know 1660s county fairs they were very popular they were pretty crude with bubbles in them and everything but they produced colors
so you could buy them at county fairs and things very popular oh so they were modifying the white light well to create colors they were
Listen to native speakers pronounce “1660” in real conversational contexts with synchronized timestamps and subtitles.