25: 🎂 The Timeline of Timekeeping, Origins of Speech, and the Birthday of Birthdays

It's the show's birthday! And we're going to celebrate with LEARNING! How much do we really know about the history of keeping time? When did human speech first arise, and how would we even figure that out? And when did the concept of birthdays have its birthday?

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We also learn about: Your favorite podcast on your favorite torso, the blind watchmaker, time technology is not like iphone upgrades, Ancient or Recent, France’s decimal clocks, counting knots on a ship, of course people cared about keeping time back then, escapements brought us TikTok, the not so timey wimey etymology of clock, putting clock inventions in the right order, we had sundials in the 1800s, you’re holding like 20 different iphones, redefining the second, ephemris time was a “ridiculous decision”, keeping time in space without the Earth, the importance of NTP, UTC is confusing fairly for everyone, what is speech? language vs speech, are there speech fossils? diaphragm is the only one we don’t talk about, laryngeal descent theory, teaching monkeys to talk, is this theory good science? “you guys are so smart”, speech research is so multi-disciplinary, you love a great review, deconstructing the theory, the reconstruction was so bad the mouth wouldn’t have been able to swallow, they forgot to check other animals for descended larynxes oops, speech may have developed waaay earlier, bodies ready for speech vs brains ready for speech, research beef, quoting “mic drop”, “i thought the answer would be simple and i was really really wrong”, one of the hardest problems in science, the birthday of birthdays, what do you need for a birthday? defining birthdays by caesium, Wurdi Youang, pharaoh “birthdays” being born as gods, celebrating my birthday by driving away evil spirits, celebrating the mother on birthdays, i brought you “pure intentions” for your birthday, Claudia Severa’s birthday invitation tablet, the first birthday candles, god i hope they get the short candles this year, and a fun science burrito blanket.

Sources:

Scientific American Chronicle of Timekeeping Helen Morgolis' History of Timekeeping History of the Hourglass History of 1900s Clocks Louis Essen's Account of Redefining the Second Atomic Clock History Modern Atomic Clocks NPL on Atomic Clocks Nasa JPL on Atomic Clocks History of NTP Google on NTP The Atlantic on Modern Time Phone Lines UTC FAQ

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The New Review of Speech Origins The descended Larynx is not uniquely human A ‘Mic Drop’ on a Theory of Language Evolution Human Ancestors May have Evolved Speech more than 25 Million Years Ago NPR on When did Human Speech Evolve

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BBC on Stargazing in Ancient Australia The Guardian on Wurdi Youang Calendars of the Past Roman Birthday Rituals

Release date

Lydbog: 6. oktober 2022