Why does a transformer hum?
Cos it doesn’t know the words!

Watt’s the unit of power?
Yes, it is.

What’s a thousand watts? A KILO watt
What's a thousand metres? A KILOmeter
What's a thousand joules? A KILOjoule
What's a thousand Whales?

blame David Howell not me for these two:
What is a million million bulls? Terabull (like the joke)
What is a millionth of a millionth of a millionth of a boy? Attoboy!

what is a millionth of a millionth of a nose?

"Please Sir should I be punished for something which I did NOT do?"
"No, of course not"
"Oh good, I didn't do my physics homework"

If you poured sodium chloride on someone and hit them with a torch cell it would be....
assault and battery

If someone dropped a 10 Newton weight onto your head from a great height it would be a killer gram

Girls..if an annoying boy is trying to chat you up say:
"know what.....you have a magnetic personality" (I bet he smiles)
"you repel me!"

(from Karl Newson thanks!)
There are two hydrogen atoms walking down the road.
One says to the other "I've lost an electron"
The other replies "you sure?"
The other confirms "Yes, I'm positive!"

(from Andy...so don't blame me!)
2 cats are sliding down a tin roof - which one reaches the bottom first?
(the one with the smallest mew!)

Here is one from John Benson's students:
What do you get when you cross an elephant and a rhino?
elephant rhino sin(theta)
Explanation!: If you have 2 vectors A and B and perform the "cross product" on them, the solution is AB sin (theta), where A is the magnitude of A, B is the magnitude of B and theta is the angle between the 2 vectors, hence the "elephant rhino sin (theta)

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