Sound moves incredibly fast! You snap your fingers, and it can be heard almost instantly throughout an entire room. But how does sound travel so quickly? Do you know how sound travels? Also, how does pushing a table relate to sound? This video goes into the fundamental ideas behind sound wave propagation. It uses a thought experiment to help better visualize the movement of particles.

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Table of Contents:
00:14 Intro
00:34 Section 1: Thought Experiment
02:05 Section 2: Atomic View
02:33 Section 3: Speed of Sound in Steel
04:05 Section 4: Thought Experiment- Shaking
05:35 Section 5: Analogies
05:54 Section 6: Key Concepts for understanding Sound wave Trave


Key Branches from this video are: What is Sound? Understanding the movement of air.
Additional branches are: Types of waves, Ears, Frequency & Loudness,

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This animation was my first use of low poly animation. There were a total of 5 main scenes with an intro and an outro. It took me about 5 weeks to make the scenes while rendering at night. I find this topic fascinating because most people don't realize that all your movements and actions take time to propagate to other objects. When you pick up a pencil, you think every bit of the pencil moves together, however that's just not the case. Eventually, in another episode, I'll get into the deformations related to moving and applying a force to everyday things- like when you lean on a counter, the counter height sinks- but that episode will have to wait. If you have any questions or comments, I would love to hear them!

Made by Teddy Tablante

Notes:
This is the third episode of Branch Education. Please provide comments, questions, and your thoughts.

Erratum:
None… yet

Animation built using Blender 2.79b https://www.blender.org/
Post with Adobe Premiere Pro and Adobe After Effects
Sound editing with Reaper

Work Cited:
Wikipedia contributors. "Speed of Sound." , "Sound."  Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, June 20th, 2018

Russell, Dan. (2016, August 5). “Acoustics and Vibration Animations.”  www.acs.psu.edu/drussell/demos..../waves/wavemotion.ht

"Speed of Sound in common Solids." , The Engineering ToolBox
https://www.engineeringtoolbox.....com/sound-speed-sol

Music Attribution in Order:

Plaidness by Francis Preve
https://www.youtube.com/watch?v=YYh4HkYKnOo

Daydream Bliss Sybs
https://www.youtube.com/watch?v=Ya84Jq1IHJ8

Marxist Arrow by Twin Musicom is licensed under a Creative Commons Attribution License https://www.youtube.com/watch?v=rBlLC...

Sunburst, Tobu & Itro is licensed under Creative Commons Attribution License http://www.7obu.com https://www.youtube.com/watch?v=4lXBH...

#SpeedOfSound #Wave #Physics