In this video I show you how a vibration speaker works to amplify sound. And then I put it in my vacuum chamber to finalize the idea that sound cannot propagate in a vacuum.

Get Your Experiment Box Here: https://theactionlab.com/
Checkout my experiment book: https://amzn.to/2Wf07x1
Follow me on Twitter:   / theactionlabman  
Facebook:   / theactionlabofficial  
Instagram:   / therealactionlab  

Watch other popular videos from my channel
Gömböc—The Shape That Shouldn't Exist
   • Gömböc—The Shape That Shouldn't Exist  

Shooting a Nerf Gun Backwards While Driving At The Bullet's Speed Forward
   • Shooting a Nerf Gun Backwards While D...  

Superhydrophobic Knife Slices Water Drops in Half
   • Superhydrophobic Knife Slices Water D...  

Real-Life Invisibility Cloak Can Hide Anything! How Does It Work?
   • Real-Life Invisibility Cloak Can Hide...  

What's Inside the Worlds' Fastest Heat Conductor?
   • What's Inside the Worlds' Fastest Hea...  

Can You Use Umbrellas Instead of a Parachute?
   • Can You Use Umbrellas Instead of a Pa...  

Opening a Bottle of Liquid Nitrogen Under Water!
   • Opening a Bottle of Liquid Nitrogen U...  

Warning: DO NOT TRY—Seeing How Close I Can Get To a Drop of Neutrons
   • Warning: DO NOT TRY—Seeing How Close ...  

*Any experiment you try is at YOUR OWN RISK. The Action Lab assumes no responsibility for any injury if you attempt anything you see in this video or on The Action Lab channel.