File:Causality and Superluminal information flow.svg
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Size of this PNG preview of this SVG file: 186 × 183 pixels. Other resolutions: 244 × 240 pixels | 488 × 480 pixels | 781 × 768 pixels | 1,041 × 1,024 pixels | 2,082 × 2,048 pixels.
Original file (SVG file, nominally 186 × 183 pixels, file size: 121 KB)
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Summary[edit]
| Description |
English: At time, t=0, Alice will send Bob a message he will receive before she sends it. The train is equipped with a hypothetical instantaneous signal delivery device. Two photons at the center C are sent to the front F and rear R to verify that the message is received the instant it is sent. Alice waits till the front reaches her to send the message that Bob had received a short while ago when the rear of the train passed him. The consequences of a prompt reply (from Bob to Alice) using a similar device is sufficient to convince most that superluminal communication is impossible. The small arrow in Alice's timeline marks the arrival time of this reply. See also File:Causality_and_Superluminal_information_flow1.svg |
| Date | |
| Source | Own work |
| Author | Guy vandegrift and the authors of File:Emojione_1F468.svg, File:Emojione_1F469.svg, and File:Icon_train.svg |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:32, 15 May 2016 | | 186 × 183 (121 KB) | Guy vandegrift (talk | contribs) | Adjusted size of letters. Added arrow to show when Alice might get her answer. |
| 08:14, 14 May 2016 |  | 186 × 183 (119 KB) | Guy vandegrift (talk | contribs) | t was crowding the time axis | |
| 08:10, 14 May 2016 |  | 186 × 183 (119 KB) | Guy vandegrift (talk | contribs) | I have no idea how that line go up through the letters | |
| 07:51, 14 May 2016 |  | 186 × 183 (120 KB) | Guy vandegrift (talk | contribs) | User created page with UploadWizard |
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- File:Causality and superluminar information flow.svg (file redirect)
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