Uploaded April 2026 | Updated September 2026, 2 weeks ago
Welcome to BrainBuzz! In this episode, we are diving deep into the incredible world of sound. Why does light travel faster than sound? How does a cochlear implant actually work? And how do dolphins use air to "see" underwater?
Join Kellyn and the crew as we meet with science experts to visualize sound waves using dancing slime, travel inside the human ear, and even interview Alexander Graham Bell about the very first telephone call. Plus, learn how to make your own "laser" and "thunder" sound effects at home!
In this video, you’ll learn:
The difference between light speed and sound speed.
The anatomy of the human ear (Pinna, Ossicles, and Cochlea).
The technology behind cochlear implants.
How dolphins use echolocation to navigate murky waters.
Don't forget to like, subscribe, and hit the notification bell for more brainstormed answers to your biggest science questions!
Timecodes
00:00 - Introduction to Sound
00:10 - Live Sound Effects Fails
00:54 - Meet the Crew: Annabel & Maddy
02:16 - Why do we see lightning before we hear thunder?
03:00 - Visualizing Sound: Tuning Forks & Dancing Slime
06:55 - Brain Drain Quiz: Who invented the telephone?
08:09 - Not Live Cross: Interview with Alexander Graham Bell
09:25 - Can deaf people hear again?
10:21 - Voyage into the Ear: How hearing works
11:29 - Medical Tech: How Cochlear Implants work
13:34 - DIY Sound Effects: Lasers, Chickens, and Thunder
16:18 - Why do dolphins make noises?
17:17 - The Secrets of Dolphin Echolocation
20:05 - Top 5 Most Annoying Sounds
20:55 - BrainBuzz Lightning Quiz!
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
Welcome to BrainBuzz! In this episode, we are diving deep into the incredible world of sound. Why does light travel faster than sound? How does a cochlear implant actually work? And how do dolphins use air to "see" underwater?
Join Kellyn and the crew as we meet with science experts to visualize sound waves using dancing slime, travel inside the human ear, and even interview Alexander Graham Bell about the very first telephone call. Plus, learn how to make your own "laser" and "thunder" sound effects at home!
In this video, you’ll learn:
The difference between light speed and sound speed.
The anatomy of the human ear (Pinna, Ossicles, and Cochlea).
The technology behind cochlear implants.
How dolphins use echolocation to navigate murky waters.
Don't forget to like, subscribe, and hit the notification bell for more brainstormed answers to your biggest science questions!
Timecodes
00:00 - Introduction to Sound
00:10 - Live Sound Effects Fails
00:54 - Meet the Crew: Annabel & Maddy
02:16 - Why do we see lightning before we hear thunder?
03:00 - Visualizing Sound: Tuning Forks & Dancing Slime
06:55 - Brain Drain Quiz: Who invented the telephone?
08:09 - Not Live Cross: Interview with Alexander Graham Bell
09:25 - Can deaf people hear again?
10:21 - Voyage into the Ear: How hearing works
11:29 - Medical Tech: How Cochlear Implants work
13:34 - DIY Sound Effects: Lasers, Chickens, and Thunder
16:18 - Why do dolphins make noises?
17:17 - The Secrets of Dolphin Echolocation
20:05 - Top 5 Most Annoying Sounds
20:55 - BrainBuzz Lightning Quiz!
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
