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[The Science of Sound: Exploring Decibels, Snoring, and Animal Auditory Wonders]-[Two Whats?! And A Wow! - Astounding Sounding (Encore - 1/21/22)]

Wow in the World · B1 · 2022-01-21

Preschool Enlightenment
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📋 Summary

The Science of Sound: A Deep Dive into Auditory Wonders

In this episode of Wow in the World, hosts Mindy Thomas and Guy Raz explore the fascinating world of acoustics and sound intensity through their signature game show, "Two Whats and a Wow." The episode serves as both an entertaining educational journey and a lighthearted investigation into how sound is measured and perceived in the natural world.

The Physics of Hearing

Before the game begins, Mindy introduces a peculiar "science experiment" involving a snake. She notes that snakes "hear with their jaws," picking up vibrations from the ground and transmitting them to their brains as sound. This mechanism is compared to how elephants are known to perceive sound through their feet. This sets the stage for the broader theme of the episode: the diverse and often surprising ways sound manifests and travels.

The Game: Separating Wows from Whats

The central focus of the episode is a trivia challenge regarding the intensity of various sounds, measured in decibels—the unit used to measure the intensity of sound. The hosts present three claims to their audience:

  1. Some humans can snore louder than a jackhammer.
  2. No matter how hard you clap your hands, it will never be as loud as a thunderclap.
  3. Some dogs' barks can be heard over the sound of jet engines.

The Winning Wow: The Power of Snoring

After taking a brief break, the hosts reveal the correct answer with the help of a caller, Sophie from Chattanooga, Tennessee. The "true wow" is that some humans can indeed snore louder than a jackhammer. According to the Guinness Book of World Records, a British grandmother named Jenny Chapman set a record with snores reaching approximately 111.6 decibels. For context, Mindy notes that a jackhammer typically clocks in at about 100 decibels, making the human snore significantly more intense.

Debunking the Whats: Clapping and Barking

  • The Clap: Regarding the claim about thunderclaps, the hosts reveal it is not strictly true that a human clap cannot compete. They mention Alistair Galpin, who holds the record for the loudest hand clap at 113 decibels. Because thunderclaps typically register between 100 and 120 decibels depending on proximity and air temperature (noting that sound travels faster in warm air), a human clap can occasionally rival the intensity of thunder.
  • The Bark: Regarding the claim about dog barks, the hosts highlight the record held by a golden retriever named Charlie, whose bark reached 113.1 decibels in 2012. While a jet engine taking off is much louder at approximately 150 decibels, a bark of 113 decibels is still powerful enough to be heard over heavy machinery like lawnmowers, tractors, and garbage trucks.

Conclusion and Challenge

The episode concludes with "Operation Safe and Sound," a call to action for listeners to engage more deeply with their environment. Mindy and Guy Raz challenge the "Wowzers" to find a quiet place, listen closely to ambient noises like "leaves rustling" or "cat purring," and use those auditory experiences to inspire creative projects. By blending scientific facts with whimsical challenges, the episode effectively demystifies the physics of sound while encouraging curiosity about the world we live in.

🎯Key Sentences

1
Did I mention it's a musical?
2
But for now, let's get on with the show.
3
Mindy, why are you lying on the floor?
4
Why wouldn't I be okay?
5
I figured, why not try it out myself?
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📝Key Phrases

1
music to your ears
2
get on with the show
3
watch out
4
pick up vibrations
5
sound the alarms
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📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I gotta let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

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