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“All models are wrong, but some are useful.” -George Box
My advanced E&M professor said “Imagine a sphere of radius zero. Trust me, it works.”
“…Imagine a sphere of radius zero.”
and a spherical cow. imagining lots of spherical cows helps quite a bit.
Radiating milk equally in all directions, of course.
Which constantly stays as a stream but looses density with r^2 (while still being a liquid!)
You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.
I swear quantum physics is magic and made up!
+1/2 h and -1/2 h
Fucking hate the people that insist on using only half of the number as if it was a real value. At least say you are working with natural unities or something.
" - How far is your house? - Oh, it’s just 5!"
Except in this context the question is “how many blocks away is your house?” Where “5” is a completely valid response
You sound like my professor
Or how about - “Walk around the block TWICE and it’ll be right there, you can’t miss it.”
