How Do We Talk? Inside the Human Voice Box! 🗣️✨ @channel9
How Do We Talk? Inside the Human Voice Box! 🗣️✨  @channel9
Uploaded May 2026 | Updated September 2026, 2 weeks ago
Join the BrainBuzz crew as we dive into the fascinating world of communication! 🌍 Ever wondered how people sent messages before emails existed? From ancient smoke signals and carrier pigeons to the invention of the telephone and the internet, we explore it all!

Plus, we get a rare, "gross but cool" look inside a human voice box 👃🎥 and learn how to say "BrainBuzz" in Auslan (Australian Sign Language). Stick around for our Lightning Quiz to see if you can beat our contestants! ⚡️🧠

Chapters / Timecodes
00:00 - Einstein’s Communication Bloopers!
00:40 - Welcome to BrainBuzz: Meet the Crew
01:56 - What did we do before emails?
03:05 - Ancient Communication: Cave Walls & Smoke Signals
03:55 - How do Homing Pigeons find their way?
04:13 - The Invention of the Telegraph & Radio
04:34 - Alexander Graham Bell & the Telephone
04:55 - The Evolution of TV & the Internet
06:23 - Brain Drain: Who invented the mechanical TV?
07:43 - Meeting John Logie Baird (The Inventor of TV!)
09:18 - Can you communicate without talking?
09:51 - Learning Sign Language (Auslan) 🖐️
11:54 - How to sign “BrainBuzz”
13:04 - The Think Tank Challenge: Ancient Codes
15:51 - Why do we all have different voices?
16:21 - Inside the human voice box (Endoscope Footage!) 👃
18:20 - Vocal ranges: From Bass to Soprano
19:15 - Top 5 Worst Ways to Communicate 📵
19:51 - BrainBuzz Lightning Quiz! ⚡️
21:49 - The First Person on TV?
23:36 - Thanks for watching!

In each episode of BrainBuzz, Kellyn and Clare, together with children from all over Australia, investigate the answers behind some of the world's most frequently asked questions.

For more shows for kids big and little, check out youtube.com/playlist?list=PLG-hRflGnyxSmNcOJdumQCo28mBapTh3o
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How Do We Talk? Inside the Human Voice Box! 🗣️✨

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