On 10/25/2024 1:36 AM, Alan Grayson wrote:
On Thursday, October 24, 2024 at 11:07:18 PM UTC-6 Brent Meeker wrote:
On 10/24/2024 5:46 PM, Alan Grayson wrote:
On Thursday, October 24, 2024 at 1:30:32 PM UTC-6 Brent Meeker wrote:
Here's how a light-clock ticks in when in motion. A
light-clock is just two perfect mirrors a fixed distance
apart with a photon bouncing back an forth between them.
It's a hypothetical ideal clock for which the effect of
motion is easily visualized.
These are the spacetime diagrams of three identical
light-clocks moving at _+_c relative to the blue one.
*Three clocks? Black diagram? If only this was as clear as you
claim. TY, AG*
*You can't handle more than two? The left clock is black with a
red photon. Is that hard to comprehend? Didn't they teach
spacetime diagrams at your kindergarten?
Brent
*
*What makes you think you can teach? *
*That I have taught and my students came back for more.*
*I can handle dozens of clocks. I know what a spacetime diagram. It
was taught in pre-school. Why did you introduce a red photon? A joke
perhaps? How can a clock move at light speed? *
*None of the clocks in the diagram are moving at light speed. The black
one and the red one are moving at 0.5c as the label says. What is it you
don't understand about this diagram?
Brent
*
*It's a real muddle. I think you meant well, but you don't have the
maturity to contain your temper. Nonetheless, the photon clock gave me
a good idea, which I just wrote about. AG *
**
Because the speed of light is invariant the photon paths are
at unit slope inside all three clocks, so it is easily seen
why the relative motion makes the clock seem slow although
each clock is ticking at the same rate in it's own reference
frame. The red diagram is just the blue diagram Lorentz
transformed as it would be seen in a frame moving the left at
0.5c, and the black diagram as it would be seen from a frame
moving to the right.
Brent
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