I can't quite read the last word there, is it Shame perhaps?

Which one, Groucho, Harpo, or Zeppo? 🤓

Play is so often completely misunderstood. 𝘗𝘭𝘢𝘺 𝘩𝘢𝘴 𝘦𝘷𝘰𝘭𝘷𝘦𝘥 𝘢𝘴 𝘢 𝘭𝘦𝘢𝘳𝘯𝘪𝘯𝘨 𝘮𝘦𝘤𝘩𝘢𝘯𝘪𝘴𝘮. It is generally not something to be discouraged, but perhaps channeled somewhat.

I would just broaden this a bit - it pretty much applies across the board.

Play and Creativity Invites Curiosity and Exploration.

It's big relativistic length contraction cutting the size of our textbooks!📏 #Humor #PhysicsEd #iTeachPhysics

It's just that stupidity sucks all the energy out of the room.

This is also a good, relevant, read:
billofrightsinstitute.org/primary-sour...

Maybe your students are just smarter than me :) Pulling my copy out of the book case, I see it is nearly 1,000 pages so I am sure you can find material for your course. It just seems terse for a first encounter with this material. I remember full semester courses for ODEs, PDEs, Linear Algebra, etc.

I definitely had a positive impression of Arfkien, which has been mentioned several times, but I remember it as a grad level textbook, no?

One I remember helping when first learning this stuff was Div, Grad, Curl, and All That. #iTeachPhysics

Where's the AZ-5 switch? ⏹️

Perhaps not completely fabricated:
www.mountsinai.org/about/newsro...
This is far enough outside my expertise that I can't really judge this, but it justifies digging further, probably.

I expected: "Wavefunction collapse is only one interpretation. Under some interpretations, graduate students also collapse."

A font face without comics? 😀

I am extrapolate to a guess that you are teaching the treatment of experimental data. 😎