Each sphere is moving in a straight line, but the final motion is circular

Mar 25, 2026 6:22 AM

bohund

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19403

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577

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12

4 months ago | Likes 1 Dislikes 1

4 months ago | Likes 3 Dislikes 0

The motion isn't circular. The APPARENT motion is circular. It's an optical illusion.

4 months ago | Likes 1 Dislikes 0

4 months ago | Likes 1 Dislikes 0

4 months ago | Likes 15 Dislikes 0

They are a witch! Burn them.

4 months ago | Likes 1 Dislikes 0

4 months ago | Likes 3 Dislikes 0

4 months ago | Likes 12 Dislikes 0

All these squares make a circle. All these squares make a circle. ALL THESE SQUARES MAKE A CIRCLE

4 months ago | Likes 5 Dislikes 0

BITCH DON'T TELL ME WHAT TO DO.

4 months ago | Likes 4 Dislikes 0

I'll tell you where they're not...

4 months ago | Likes 4 Dislikes 0

I made one of these with a hand crank and sliding blocks in school like 20 years ago.

4 months ago | Likes 3 Dislikes 0

There's definitely a magnet behind it...

4 months ago | Likes 23 Dislikes 0

You can see on one of the ones as he puts it down it hits the magnet and shakes a lil into place

4 months ago | Likes 1 Dislikes 0

don't get it wet... /s

4 months ago | Likes 3 Dislikes 0

nah, balls just tend to infinitely slide once set in motion

4 months ago | Likes 26 Dislikes 2

I mean, yes? If we're looking at the universe, I'm sure there's more planets, moons and the like in orbit around a star than there is "man made balls on planet earth". :)

4 months ago | Likes 3 Dislikes 2

infinitely != for a very long time

4 months ago | Likes 5 Dislikes 1

I think it's more likely an AI video, especially when they lift it at the end and hold it at different angles without noticeably changing the motion of the balls.

4 months ago | Likes 14 Dislikes 10

The ball that moves most closely along the x-axis or side to side, has a small 'glitch' when placed.

4 months ago | Likes 2 Dislikes 2

It's sad that nowadays one has to suspect AI for every pic and video, isn't it? But in this case one can see some of the balls move strangely when they are being put in, so I assume it's an actual thing with a magnet.

4 months ago | Likes 5 Dislikes 0

There are magnets running back and forth inside the device to control the motion of the metal balls.

It's not AI, and you can order one of these online if you want.

4 months ago | Likes 18 Dislikes 0

Fuckin magnets; how do they work?

4 months ago | Likes 2 Dislikes 0

4 months ago | Likes 2 Dislikes 0

FFS not everything weird is AI.

4 months ago | Likes 3 Dislikes 0

That's just what an AI would say

4 months ago | Likes 3 Dislikes 0

You're right, I was wrong

4 months ago | Likes 3 Dislikes 0

but I sure am tired of having to squint at every fucking video before I can determine if it was, in fact, produced by the giant theft engine that only makes dross

4 months ago | Likes 5 Dislikes 0

That's a fancy trammel of Archimedes, also called an ellipsograph, that uses magnets instead of a hand crank.

4 months ago | Likes 142 Dislikes 0

Somewhere I have a trammel of Archimedes that says "Blarney Bullshit Grinder" on the bottom.

4 months ago | Likes 1 Dislikes 0

I was wondering how they got the timing so perfect, by hand.

4 months ago | Likes 43 Dislikes 0

Mirrors.

4 months ago | Likes 5 Dislikes 2

A little smoke

4 months ago | Likes 2 Dislikes 0

and that continues at a fixed rate when tilted front to back.

4 months ago | Likes 17 Dislikes 0

If you watch the 8th ball getting placed you can see the magnet catch it.

4 months ago | Likes 16 Dislikes 0

4 months ago | Likes 50 Dislikes 2

I didn't study math in particular, but in general I've always enjoyed learning practical uses for subjects more than straight theory. I wanna know how to use it.

4 months ago | Likes 1 Dislikes 0

Most math emerges from reality... but sometimes there are a lot of steps in between

4 months ago | Likes 8 Dislikes 1

My square root of a negative number would like to chat

4 months ago | Likes 5 Dislikes 0

The equation 0=x^2+1 is very real... so why cant it have a solution too?

4 months ago | Likes 1 Dislikes 0

The number “i” arises in nature all the time. It encodes rotations and oscillations and is a critical component to our most successful model of the natural world, quantum mechanics. It is unfortunate to have the name “imaginary number”. A more accurate name would be a "perpendicular number".

4 months ago | Likes 4 Dislikes 0

4 months ago | Likes 1 Dislikes 0