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Photon path ..
#4
hi rjbeery,

If I understand you correctly, no, the rifle barrel wouldn't appear tilted. First note that to visualize this at all we must imagine the train is traveling very fast. As the photon travels up the rifle barrel, it moves sideways at just the right speed (from pov of person on plain, of course) so the photon, which is moving on a diagonal, is always within the barrel. But the barrel always appears upright.

Note, of course, he can't actually see the photon in flight! But we can imagine instead a laser beam, say, going through fog, filmed by a super-high speed camera; so you can actually see the progress of the light pulse.

Consider the following gedanken. Suppose the rifle barrel is a long transparent tube (filled with diffuse fog) with pulsed lasers at both ends, pointing at each other. Then person on plain sees two pulses travel diagonally along the barrel towards each other. Clearly the barrel can't tilt to accommodate their passage, it would have to tilt in two directions at once! Instead it moves sideways, remaining upright, at the right speed so each pulse remains centered in the barrel as it travels.
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Messages In This Thread
Photon path .. - by ALT - 05-10-2016, 12:30 PM
RE: Photon path .. - by Schmelzer - 05-10-2016, 03:11 PM
RE: Photon path .. - by ALT - 05-11-2016, 01:59 AM
RE: Photon path .. - by Schmelzer - 05-11-2016, 06:46 AM
RE: Photon path .. - by ALT - 05-11-2016, 01:13 PM
RE: Photon path .. - by Schmelzer - 05-11-2016, 02:05 PM
RE: Photon path .. - by rjbeery - 05-10-2016, 10:37 PM
RE: Photon path .. - by secur - 05-10-2016, 11:33 PM
RE: Photon path .. - by secur - 05-11-2016, 01:27 AM
RE: Photon path .. - by secur - 05-11-2016, 04:32 AM
RE: Photon path .. - by ALT - 05-11-2016, 12:24 PM
RE: Photon path .. - by secur - 05-11-2016, 03:17 PM
RE: Photon path .. - by Schmelzer - 05-11-2016, 04:20 PM
RE: Photon path .. - by ALT - 05-12-2016, 04:24 AM
RE: Photon path .. - by Schmelzer - 05-12-2016, 05:48 AM
RE: Photon path .. - by ALT - 05-12-2016, 02:11 PM
RE: Photon path .. - by Schmelzer - 05-12-2016, 05:11 PM
RE: Photon path .. - by secur - 05-12-2016, 08:54 PM
RE: Photon path .. - by ALT - 05-13-2016, 02:17 PM
RE: Photon path .. - by ALT - 05-14-2016, 05:22 AM
RE: Photon path .. - by Schmelzer - 05-14-2016, 06:48 AM
RE: Photon path .. - by ALT - 05-14-2016, 01:28 PM
RE: Photon path .. - by Schmelzer - 05-14-2016, 08:37 PM
RE: Photon path .. - by ALT - 05-15-2016, 01:46 AM
RE: Photon path .. - by secur - 05-14-2016, 07:12 AM
RE: Photon path .. - by Schmelzer - 05-14-2016, 09:37 AM
RE: Photon path .. - by ALT - 05-14-2016, 12:50 PM
RE: Photon path .. - by Schmelzer - 05-15-2016, 04:31 AM
RE: Photon path .. - by ALT - 05-17-2016, 06:58 AM
RE: Photon path .. - by ALT - 05-17-2016, 12:06 PM
RE: Photon path .. - by Schmelzer - 05-17-2016, 03:04 PM
RE: Photon path .. - by secur - 05-17-2016, 07:03 PM
RE: Photon path .. - by Schmelzer - 05-17-2016, 10:32 PM
RE: Photon path .. - by secur - 05-18-2016, 02:27 AM
RE: Photon path .. - by Schmelzer - 05-18-2016, 07:26 AM
RE: Photon path .. - by secur - 05-18-2016, 11:23 PM
RE: Photon path .. - by ALT - 05-19-2016, 03:29 AM
RE: Photon path .. - by secur - 05-19-2016, 04:51 AM
RE: Photon path .. - by ALT - 05-20-2016, 01:23 AM
RE: Photon path .. - by secur - 05-20-2016, 01:52 AM
RE: Photon path .. - by ALT - 05-20-2016, 02:49 AM
RE: Photon path .. - by secur - 05-20-2016, 03:48 AM
RE: Photon path .. - by ALT - 05-20-2016, 06:22 AM
RE: Photon path .. - by ALT - 05-21-2016, 02:13 AM
RE: Photon path .. - by John Duffield - 05-21-2016, 03:02 PM
RE: Photon path .. - by ALT - 05-22-2016, 02:10 AM
RE: Photon path .. - by secur - 05-21-2016, 10:09 PM
RE: Photon path .. - by ALT - 05-22-2016, 02:41 AM
RE: Photon path .. - by ALT - 05-25-2016, 02:01 AM
RE: Photon path .. - by Schmelzer - 05-25-2016, 11:00 AM
RE: Photon path .. - by ALT - 05-25-2016, 12:27 PM
RE: Photon path .. - by secur - 05-26-2016, 02:48 AM
RE: Photon path .. - by ALT - 05-28-2016, 06:45 AM
RE: Photon path .. - by Schmelzer - 05-28-2016, 05:06 PM
RE: Photon path .. - by ALT - 05-29-2016, 04:25 AM
RE: Photon path .. - by John Duffield - 05-22-2016, 08:51 PM
RE: Photon path .. - by ALT - 05-23-2016, 02:01 AM
RE: Photon path .. - by Schmelzer - 05-23-2016, 11:32 AM
RE: Photon path .. - by secur - 05-29-2016, 03:23 AM
RE: Photon path .. - by ALT - 05-29-2016, 04:59 AM
RE: Photon path .. - by secur - 05-29-2016, 06:38 PM
RE: Photon path .. - by ALT - 05-30-2016, 02:10 AM
RE: Photon path .. - by Schmelzer - 05-30-2016, 06:36 AM
RE: Photon path .. - by ALT - 06-01-2016, 02:49 AM
RE: Photon path .. - by Schmelzer - 06-01-2016, 02:23 PM
RE: Photon path .. - by ALT - 06-02-2016, 06:58 AM
RE: Photon path .. - by secur - 06-02-2016, 09:11 AM
RE: Photon path .. - by ALT - 06-02-2016, 12:12 PM
RE: Photon path .. - by secur - 06-03-2016, 07:01 AM
RE: Photon path .. - by Schmelzer - 06-03-2016, 11:52 AM
RE: Photon path .. - by secur - 06-03-2016, 02:56 PM
RE: Photon path .. - by Schmelzer - 06-04-2016, 09:18 AM
RE: Photon path .. - by secur - 06-04-2016, 02:59 PM
RE: Photon path .. - by ALT - 06-04-2016, 01:42 AM
RE: Photon path .. - by secur - 06-04-2016, 04:49 AM
RE: Photon path .. - by Schmelzer - 06-04-2016, 09:53 AM
RE: Photon path .. - by ALT - 06-05-2016, 02:56 AM
RE: Photon path .. - by Schmelzer - 06-04-2016, 04:54 PM
RE: Photon path .. - by secur - 06-05-2016, 02:40 AM
RE: Photon path .. - by secur - 06-05-2016, 04:28 AM
RE: Photon path .. - by ALT - 06-05-2016, 05:19 AM
RE: Photon path .. - by secur - 06-05-2016, 05:56 AM
RE: Photon path .. - by ALT - 06-05-2016, 01:06 PM
RE: Photon path .. - by Schmelzer - 06-05-2016, 01:40 PM
RE: Photon path .. - by ALT - 06-06-2016, 12:01 PM
RE: Photon path .. - by secur - 06-06-2016, 01:11 AM
RE: Photon path .. - by Schmelzer - 06-06-2016, 02:53 PM
RE: Photon path .. - by ALT - 06-07-2016, 06:30 AM
RE: Photon path .. - by Schmelzer - 06-07-2016, 07:00 AM
RE: Photon path .. - by ALT - 06-07-2016, 11:22 AM
RE: Photon path .. - by Schmelzer - 06-07-2016, 12:17 PM
RE: Photon path .. - by ALT - 06-14-2016, 06:21 AM
RE: Photon path .. - by Schmelzer - 06-14-2016, 08:06 AM
RE: Photon path .. - by ALT - 06-10-2016, 06:19 AM
RE: Photon path .. - by secur - 06-12-2016, 01:07 AM
RE: Photon path .. - by ALT - 06-23-2016, 05:45 AM
RE: Photon path .. - by secur - 06-26-2016, 02:08 AM
RE: Photon path .. - by ALT - 07-10-2016, 02:28 AM
RE: Photon path .. - by Thomas Ray - 07-11-2016, 05:38 PM
RE: Photon path .. - by Le Repteux - 07-21-2016, 06:28 PM

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