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[The Science Behind the Crunch: How Breakfast Cereal Explains Natural Disasters]-[And The Winner Is...RICEQUAKE!]

Wow in the World · B1 · 2019-04-08

Preschool Enlightenment
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📋 Summary

The Science Behind the Crunch: Modeling Disasters with Breakfast Cereal

In this episode of Wow in the World, hosts Mindy and Guy Raz take a lighthearted yet educational dive into the intersection of culinary arts and geophysics. While the show is framed as a whimsical broadcast of the "Nom Nom Awards," the core of the episode explores how researchers utilize common breakfast cereals to understand complex natural phenomena, such as the collapse of dams and ice shelves.

The Nom Nom Awards: A Food-Themed Scientific Backdrop

Setting the stage at the "All-You-Can-Eat Buffet" near the Dolby Theater, Mindy and Guy Raz host the "Nom Nom Awards," celebrating fictional films like Ricequake and Toastbusters. This playful setting serves as a bridge to a very real scientific study conducted by researchers Itay Enav and Francois Guillard from the University of Sydney, Australia. The film Ricequake, a nominee for "Best Adapted Screenplay from a Breakfast Food," is actually inspired by the researchers' work on the physics of porous materials.

Porous Materials and Scientific Modeling

Guy Raz explains that the study focused on how "porous materials"—substances containing tiny cracks or holes, much like a sponge—react when exposed to liquid and pressure. The researchers sought to understand the structural integrity of natural dams and Antarctic ice shelves. However, because these massive structures are impossible to study in a controlled laboratory setting, the scientists turned to a more accessible medium: breakfast cereal.

As Guy Raz notes, "rice crunchies are also a porous material," making them the perfect, cost-effective substitute for large-scale environmental modeling. By simulating the conditions of a dam or ice shelf within a laboratory tube, the researchers could inject liquid and apply pressure to observe the structural failure of the puffed rice.

From Rice Puffs to Real-World Prediction

The experiment yielded dramatic results: when pressure was applied to the cereal in the tube, the researchers observed that "whole layers of the rice puffs would collapse into themselves all at the same time," producing a distinct, loud cracking sound—a literal "ricequake." By repeating this experiment and carefully measuring the variables, the scientists were able to "predict exactly when these rice quakes were going to occur."

This modeling is crucial for the real world. By "adjusting their time scale from a few seconds to a few years," scientists hope to apply these findings to understand and predict the catastrophic collapses of natural dams and ice shelves. As the hosts conclude, while the bowl of cereal might seem trivial, it provides a vital "scientific estimate" that helps experts understand how and why these larger geological structures fail under water pressure.

Conclusion

The episode masterfully highlights how curiosity and scientific inquiry can be found in the most mundane places—even in one's breakfast bowl. By using the Ricequake analogy, Mindy and Guy Raz demonstrate that complex, life-saving research often relies on creative modeling, proving that when it comes to understanding the natural world, sometimes the most "bonker balls" ideas are the ones that lead to the most significant discoveries.

🎯Key Sentences

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I think you'll find it just as impressive.
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That's what they call me.
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No need to apologize.
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Save it for the show, Mindy.
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Do you need me to do a few lines, too?
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📝Key Phrases

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music to your ears
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get on with the show
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don't mind if I do
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up for grabs
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done and dusted
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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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