Paul Colby's latest activity
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Paul Colby replied to the thread Graduate Gravitational wave propagation in GR - follow up.In the TT gauge (coordinates), the metric stain, ##h_{ab}##, only has spatial components, ##h_{xx}, h_{xy},\cdots##, are non-zero and... -
I noticed the following question generated quite a lot of interest on the Internet. Which is larger ##e^{\pi}## or ##\pi^e##? Most (if...
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Paul Colby reacted to Vincf's post in the thread Undergrad Velocity of a free particle using Landau's approach with
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Upon further reflection, I think that my previous answer is correct except in some particular case. Let us consider the case where : $$... -
Paul Colby reacted to Dale's post in the thread Graduate Horizontal component of the electric field of an infinite uniformly charged plane with Like.
It actually isn’t different if you are close to the center of one of the plates. And it is a good example to show that the “vertical”...
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Paul Colby reacted to A.T.'s post in the thread Graduate Horizontal component of the electric field of an infinite uniformly charged plane with Like.
I think it similar to the proof that pi=4 in the video below at 1:39. The explanation at 15:09 points out the fallacy @PeroK mentions above.