Go to https://nordvpn.com/theactionlab to get a 2-year plan plus a bonus gift with a huge discount!
I show you the Bakrkhausen effect in which you can hear magnetic domains shifting inside metal.
My Youtube shorts channel: https://www.youtube.com/channel/UCA19mAJURyYHbJzhfpqhpCA
Get Your Experiment Box Here: https://theactionlab.com/
Checkout my experiment book: https://amzn.to/2Wf07x1
Follow me on Twitter: https://twitter.com/theactionlabman