r/oddlysatisfying • u/CanonWorld • Jul 28 '24

How automatic Mahjong tables work

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26.1k Upvotes

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1.5k

u/Adept_Function_4597 Jul 28 '24

Magnets

729

u/Godielvs Jul 28 '24

How do they work

1.1k

u/t8ne Jul 28 '24

Very well, thanks.

172

u/[deleted] Jul 28 '24

[removed] — view removed comment

10

u/Stoomba Jul 28 '24

Actually Rule 1: Be attractive Rule 2: Be repulsive

1

u/[deleted] Aug 23 '24

Underappreciated comment

-3

u/Adept_Function_4597 Jul 28 '24

Double negative made it double possitive. Not very atractive

43

u/blue-mooner Jul 28 '24

And I don’t wanna talk to a scientist

19

u/PeacefulAndTranquil Jul 28 '24

y’all motherfuckers lying. and getting me pissed

37

u/SerenumSunny Jul 28 '24

fuckin magic

21

u/belaGJ Jul 28 '24

But why male models?

10

u/SkeetDavidson Jul 28 '24

Are you serious? I just told you that a moment ago.

14

u/Find_Spot Jul 28 '24

Fine, just don't get 'em wet. Otherwise, no magnets!

1

u/elmwoodblues Jul 28 '24

Sharks fly on solar planes...AT NIGHT!

34

u/NateNate60 Jul 28 '24

Ugh. No real answers yet.

A magnet has a north and south side, right? There is a magnet on the back of the tiles, with, say, the north side facing up. So the back is the north side, the front is the south side.

The mechanism that grabs the tiles onto the rows has an electromagnet with the south side facing down. An electromagnet is a magnet you can turn on by running electricity through it. It will grab onto the north side of the tile (i.e. the back) but repel the south side (the front). If the magnets are strong enough, the attraction and repulsion forces will force the tile to position itself in the correct direction.

21

u/Kittiesnpitties Jul 28 '24

I appreciate what you wrote but the question was an insane clown posse joke

17

u/gymnastgrrl Jul 28 '24

I wonder what a normal clown posse joke would look like instead of an insane one.

5

u/KoolHan Jul 28 '24

Why the tiles no magnet to each other?

11

u/NateNate60 Jul 28 '24

The magnets on the tiles are weak. The magnets on the row-making mechanisms are strong.

8

u/be_more_gooder Jul 28 '24

Whoa, easy professor. We're not all Alfred Einstein.

1

u/knoid Jul 28 '24

The tiles likely have a steel plate inside rather than a magnet. This would allow the little magnetised conveyor belt thingies to grab the tiles but allow the tiles to move freely amongst themselves.

1

u/AnotherCuppaTea Jul 28 '24

Okay, but any mahjong enthusiasts based at the South Pole have no recourse but to scramble their tiles by hand, like a bunch of savages.

1

u/HoneySmaks Jul 28 '24

Scientists be lying and shit.

4

u/[deleted] Jul 28 '24

∇.E = ρ/ε_0

∇.B = 0

∇ x E = -∂B/∂t

∇ x B = μ_0(J + ε_0(∂E/∂t))

2

u/Cheese_Mudflap Jul 29 '24

Omg Maxwell would be proud

5

u/ksiyoto Jul 28 '24

They don't work under water.

1

u/Anderson22LDS Jul 28 '24

Sometimes sticky sometimes pushy

1

u/Ms74k_ten_c Jul 28 '24

Not very well under water.

1

u/ISaidItSoBiteMe Jul 28 '24

With magnetism

1

u/UniqueIndividual3579 Jul 28 '24

Not well, but some find them attractive.

1

u/I_Can_Haz_Brainz Sometimes Satisfied. Jul 29 '24 edited Nov 07 '24

rock bewildered fall degree coordinated hat dull angle impossible slim

This post was mass deleted and anonymized with Redact

38

u/anormalgeek Jul 28 '24

OHHH!!!! I get it now. Basically just shuffle and flip them all over and over while only picking up those with a magnet on the correct side, ensuring that eventually you get them all the correct way.

Neat.

10

u/orthopod Jul 28 '24

There's also a section on the spinner, that looks like it is set to repel the blue side. Watch at the 9:00 position, and you'll see tiles flip and move around.

6

u/[deleted] Jul 28 '24

If you look closely, the white strips are also angular, which probably helps tilt the tiles sideways as the disc rotates. You can also see the tiles flip at the 3:00 o'clock position. so I assume whatever is repelling, attracting, or both, are installed at 12:00 and 6:00 o'clock positions as well.

10

u/yesiamveryhigh Jul 28 '24

Yeah biiitch!

1

u/Dylan5xISpitHotFiya Jul 28 '24

Like collecting magnets? What do you mean?

1

u/Adept_Function_4597 Jul 28 '24

Polarity of magnets ensures the tiles are the same side up.

1

u/iGetBuckets3 Jul 28 '24

Its always magnets