A long chain can exhibit a fountain effect, siphoning itself from a container. A paper attributes this effect to an upward reactionary force from the pile of stationary chain.

I've seen a similar & more terrifying effect with a ship anchor chain.

It’s called running the vid in reverse

This effect looks like magic!

What is this sorcery?!

This is called the Mould Effect after Steve Mould, a YouTuber who popularized this:

I have seen rope do the same thing. I used to climb cell towers for a living.

I dreamt about it this morning. I woke up with the answer in front of me. Vectored inertia generates antigravity. How does it work?

The dead giveaway that this is fake is at the nd when both ends of the "chain" disappear up into the sky. 😀

I don't understand this at all

Where the hell do you get all these fascinating posts?