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  • Watch a classified FM radio training video from WW2

    Watch a classified FM radio training video from WW20

    Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. It’s worth remembering that one of today’s most commonplace pieces of technology frequently confounded the public when it first hit the marker. While fewer and fewer people are listening to FM radio today, it was hot stuff amid its

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  • Ancient Greece’s most famous oracle was just high on gas fumes

    Ancient Greece’s most famous oracle was just high on gas fumes0

    Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. For centuries, people traveled to Delphi in southern Greece hoping for a glimpse of their future. There, at the temple of the god Apollo, a priestess was said to enter a trance and issue prophecies in the voice of

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  • How infighting led the Maya civilization to catastrophic collapse

    How infighting led the Maya civilization to catastrophic collapse0

    The Four Heavens: A New History of the Ancient Maya David Stuart Princeton Univ. Press (2026) Before the 1970s, ancient Maya history was impenetrable. The civilization’s grand ceremonial buildings and striking art, created in parts of Mesoamerica during the Classic Maya period (ad 150–900) had tantalized foreign visitors since the arrival of Spanish conquistadors in

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