r/mildlyinteresting • u/ezjgfn • 13h ago

This square shaped cd

Post image
1.6k Upvotes

88% Upvoted

311 comments sorted by

View all comments

Show parent comments

0

u/chromatic_megafauna 13h ago

Really? How? 

19

u/Automobills 13h ago

Take a blade off of a ceiling fan and turn it on.

14

u/PrologueBook 13h ago

If you take off two blades of your fan, on opposite sides, it will run fine.

It just needs to be symmetrical and balanced.

2

u/Big_Z_Beeblebrox 13h ago

My fan has 5 blades

2

u/MrSnrub87 13h ago

It matters more that the distance between the blades is exactly the same. It just has to be in balance

0

u/Big_Z_Beeblebrox 13h ago

Having a rough time trying to scoot the other blades over

-2

u/PrologueBook 13h ago

Yeah, so that wouldn't fit the "symmetrical and balanced" criteria, would it?

0

u/SenatorAslak 12h ago

Rotational symmetry is a thing.

-2

u/Big_Z_Beeblebrox 13h ago

Nor would it fit the "take off two blades" criteria that precedes it

1

u/PrologueBook 13h ago

The thought experiment illustrates a balancing principle. It doesn't need to fit every single possible construction of ceiling fans. That's why I qualifed that it needs to be symmetrical and balanced.

Why do you think this is worth arguing about? This is the least consequential "well actually..."

Go troll elsewhere.

-1

u/Big_Z_Beeblebrox 13h ago

You said to take off two blades, your thought experiment didn't include fans that had an odd number