4 Chain Fountain Experiments (Mould Effect)

In this video, I show off four new Mould Effect experiments (with slow mo) that I tried. The Mould Effect, also known as a chain fountain, causes chains of beads to entirely self-siphon out of a container.

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For more Galton Board slow-mo:

Video from The Royal Society explaining the Mould Effect:

Music used in this video:
Garden Music by Kevin MacLeod

Inspired by Kevin MacLeod

[radiuscubed]

I'm glad to see this now has more views than my original Mould Effect video :)

[Mark_Rober]

now i know what it feels like being the person to watch a video from a really small channel

[cmyip]

Please try again dropping the ball chain under water with a beaker. Dropping a ball chain horizontally and dropping a ball chain by first going upward and then going downward is completely different!

[gideonsnowdon]

Wow you can see water droplets flying off the beads in the slow mo!

[dallaspickle]

So it doesn't have the effect under water

[MasterCrander]

Too many variables changed for the water experiment. The end of the chain no longer needs to raise above the top level of the bead pile. The Mould Effect and chain fountain doesn't have anything to do with a chain being pulled over an edge. That happens with rope and isn't notable.
It's the increasing peak height that makes the effect novel.

So it doesn't appear to occur underwater but the experimental methodology is too faulty to know for sure.

[yashvardhansagar]

This is just a siphons tube when with solid chain rather than any fluid

[joeytheetge]

The effect looks cool but the name Mould effect is based off bad science.
You should record yourself cracking a whip. The end of the whip brakes the sound barrier.