101: Why is the Sky Blue & Speech Disfluency episode artwork

EPISODE · Mar 12, 2026 · 1H 46M

101: Why is the Sky Blue & Speech Disfluency

from Let's Learn Everything! · host Tom Lum

For episode 101, we're challenging ourselves to make a technically family friendly, swear free episode! Why is the sky blue? Well it turns out it took a lot of science to understand why! And what is speech disfluency? Well it's like... um... you'll see! Images we Talk About:Green FlashSunset Timestamps: (00:00:00) Intro (00:06:43) Why is the Sky Blue (00:54:28) Speech Disfluency (01:40:45) Outro Support us with a Max Fun Membership! Join our Discord! We also learn about: it’s like playing mozart for children, mystery spires, atmospheric optics is responsible for all the bangers, they didn’t have a word for blue but they could perceive it, davinci and newton were on the right track, and thus the liberal lie of the greenhouse effect was born, Tyndell was just trying to clean an air sample and saw it turn blue, Baron’s used to be useful at least, Tom’s mind gets rocked by Rayleigh scattering, why isn’t the sky purple, When was the sky blue? the great oxidation event, sky is atmosphere, why is the sun so tiny OH ITS FAR AWAY, Ella pulled a Tom at the intro, Ella’s filler montage, no swearing no fillers challenge, there’s no fillers in the speech we watch on TV and movies, we actually um-dope our podcast in post, people used filler words in the past too, it’s found in poems and the earliest recorded sounds, the valley girl like, natural language corpuses, the 2 genders are uh and um, fillers in other languages, parasite words, uh is almost universal, the function of filler, backchanneling, measuring um reaction times, a visit from Gretchen, um is like a swiss army knife, like as quotation marks or hedging, right *slaps knees*, the power of saying something which technically means nothing. StellarNet: A Brief History of the Sky’s BluenessBlog: The bizarre myth that Ancient Greeks couldn't see blue2023 Paper: Revisiting the question “Why is the sky blue?”Wiki- John TyndallThe Conversation: John Tyndall: the forgotten co‑founder of climate scienceWiki: Rayleigh ScatteringNASA: The Electromagnetic SpectrumScientific American: MiragesIFL Science: Orange SkyThe Great Oxidation Event: How Cyanobacteria Changed LifeRoyal Museums Greenwich: Why Is The Sky BlueMars in a Box: Martian Sunsets ---Wikipedia: Filler (linguistics)Thought Co: Definitions and Examples of Filler WordsThe Register: Why Do We Say Um?Paper: Listeners' Uses of Um and Uh in Speech ComprehensionNew York Times: So, Um, How Do You, Like, Stop Using Filler Words?University of Colorado Paper: We, um, have, like, a problemGuardian: Why Do People Say Like So Much?NPR: Why Do We Say Um So Much?BBC: Teen SlangPaper: Fillers, Pauses and PlaceholdersCambridge: Hidden Use of FillersThe British National Corpus 2014Language Hat: The Mystery of FillersThe Atlantic : “Men Say 'Uh' and Women Say 'Um'”Language Log: Men and Women’s Use of WordsJStor: Filler Words and Floor HoldersTHE CALIFORNIA STORY 1906 By Thomas A. Edison Help support this show and unlock bonus content! Become a member at https://maximumfun.org/joinlearn

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For episode 101, we're challenging ourselves to make a technically family friendly, swear free episode! Why is the sky blue? Well it turns out it took a lot of science to understand why! And what is speech disfluency? Well it's like... um... you'll see!

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101: Why is the Sky Blue & Speech Disfluency

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