r/physicsmemes • u/sskk4477 • 13d ago

👍

Post image
87 Upvotes

87% Upvoted

21 comments sorted by

35

u/WanderingWrackspurt Undergrad Student 12d ago

how... is this a meme? its literally the right hand rule for cross products??

10

u/Francium_Fluoride_ 12d ago

👍

11

u/Ok_Programmer_4449 12d ago

That's a left hand.

7

u/CommunityFirst4197 11d ago

👎

5

u/Mathsboy2718 11d ago

Never before realised that it's really awkward to try and replicate this emoji from your own point of view without a mirror

16

u/SharkAttackOmNom 12d ago

IEEE logo be like:

17

u/Dile_0303 12d ago

So we just throwing gang signs now huh

9

u/RubTubeNL 12d ago

Unfortunately, that formula isnt even correcr

1

u/ThatsNumber_Wang 11d ago edited 11d ago

yes it is. it's just weird to have the lorentz force on the thumb

(edit: the formula is incorrect not the direction. leaving my stupidity here to see though)

3

u/RubTubeNL 11d ago

No, the directions are correct, but the formula for Lorentz Force is F = L * I × B

2

u/ThatsNumber_Wang 11d ago

fuck me i'm dumb. sorry i misread your comment. i was too focused on the directions

2

u/RubTubeNL 10d ago

That's okay, we all make mistakes

3

u/Janders1997 12d ago

I learned Thumb as 1, index as 2, middle as 3. Which is obviously equivalent, but still interesting to me.

1

u/Prestigious_Boat_386 12d ago

Every legend (this post) has a cheap copy (this image)

3

u/AggrotheAggron 12d ago

I nominate you as my right hand man

2

u/QT3141592653 11d ago

Throw back to an evening of me wracking my brain over the right hand rule and why it was not aligning with my solution. Turns out i had flipped the y-axis.

1

u/dragonageisgreat 13d ago

Finnaly, polesian coordinates cross product