FeCoNi | Mirror - Johnny Ragadoo: Buoyancy explained and demonstrated @FeCoNi_science | Uploaded September 2019 | Updated October 2024, 1 hour ago.
Go sub to Johnny Ragadoo! youtube.com/watch?v=zbMDYEO19k0&feature=youtu.be

I have been in conversation with him for a while now and he has some great stuff coming up. Just like this video, they're not only flat earth debunks but cool demonstrations in their own right!