Mnemonic devices that have stuck with you no matter how much you try to get rid of them
latest #13
discovered that facepalm is as effective as banging head on the wall.
Uh, that's Richard of York gave battle in vain...
really prefered the right-hand-grip rule and the right-hand-slap rule
What is that teaching you?
I still occasionally use the left-hand-L rule to help me remember left from right.
electromagnetics and field rules
the slap rule is for determining the direction of force in a powered field
Ah right. I remember that one now.
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