SciShow Tangents
Quiet
Dec 26, 2023
The podcast explores the concept of 'quiet' and its scientific definition, along with the role of sound and quiet in animal behavior. It also discusses how rockets are made quiet during launches, the concept of quiet in geology, and the quietest time during the pandemic.
42:53
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Quick takeaways
- Water-based sound suppression systems are used in rocket launches to reduce noise and prevent damage.
- A species of tree cricket in India amplifies their chirping sound by creating leaf speakers, increasing their chances of mating.
Deep dives
Water-based sound suppression systems for rocket launches
Rocket launches are inherently loud due to the exhaust and vibrations produced. To reduce the noise and prevent damage, water-based sound suppression systems are used. These systems involve shooting large amounts of water onto the platform, which absorbs and deflects the sound energy, leading to a quieter launch. The water creates a cloud of steam during the launch, dissipating the energy as heat. This technique is employed in modern rockets like the Space Launch System for the upcoming Artemis missions.
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