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Nugatory's latest activity
Nugatory
reacted to
kingamada's post
in the thread
Gravity Based Electricity Generator
with
Like
.
Thank you so much, you really did grasp my idea. Maybe I didn't ask the right questions, as you know sometimes it's about the quality of...
Today, 3:32 PM
Nugatory
replied to the thread
B
Falling into a black hole
.
Sorry, yes, I was talking about quadrant II.
Today, 10:14 AM
Nugatory
replied to the thread
B
Falling into a black hole
.
I expect that it is largely historical. When we're solving the EFE for a spherically symmetrical spacetime, it's just another...
Today, 9:42 AM
Nugatory
replied to the thread
B
Falling into a black hole
.
For that particular question the video below by our member @A.T. may be even more helpful. The squiggles just indicate that the...
Today, 9:17 AM
Nugatory
replied to the thread
B
Falling into a black hole
.
In quadrant II the ##r## coordinate is timelike, so curves of constant ##r## are at less than a 45-degree angle and as @PeterDonis says...
Yesterday, 10:29 PM
Nugatory
replied to the thread
B
Falling into a black hole
.
You might try this one: https://en.m.wikipedia.org/wiki/File:Kruskal_diagram_of_Schwarzschild_chart.svg All of spacetime outside of the...
Yesterday, 11:10 AM
Nugatory
replied to the thread
B
Falling into a black hole
.
Looks like a whole bunch of other people got answers in while I was typing my response (so that is what we're all doing on Saturday...
Yesterday, 6:15 AM
Nugatory
reacted to
codelieb's post
in the thread
I
Did Feynman make a mistake in the drawing of moving charges?
with
Like
.
First of all, I would like to mention that Feynman did not draw this figure. Matthew Sands drew it. Feynman's figure we much simpler...
Yesterday, 5:56 AM
Nugatory
replied to the thread
I
Planck's Constant times the speed of light
.
"Ultra-relativistic" will be one of the better ways of describing this case.
Friday, 8:49 AM
Nugatory
reacted to
russ_watters's post
in the thread
B
Why 186,282?
with
Like
.
For my part I want to emphasize that truly my participation here is not intended to be argumentative, it's that I think there is a real...
Wednesday, 9:08 PM
Nugatory
replied to the thread
B
Why 186,282?
.
Light moving through space is an electromagnetic wave, and the speed of any wave is determined by the balance between whatever pushes...
Wednesday, 5:17 PM
Nugatory
replied to the thread
Simultaneous events separated by distance and time
.
They are separated by distance in both frames, but simultaneous in just one frame. You might find it helpful to think about what the...
Wednesday, 4:50 AM
Nugatory
replied to the thread
I
Qubits state calculation
.
Unless there are more parts to the problem (the otherwise irrelevant Pauli matrices suggest that there might be) it looks as if these...
Monday, 6:42 PM
Nugatory
replied to the thread
I
Which theory of time is the most evidence-based?
.
Achieving a decent undergraduate-level understanding of special relativity through self-study is not necessarily unrealistic - more...
May 12, 2024
Nugatory
replied to the thread
I
EPR in Bohm formulation
.
Kinda sorta…. But I wouldn’t use the phrase “according to EPR” because all three of them would have agreed with your #29 calculation...
May 10, 2024
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