Birdwatch Note
2024-03-26 10:39:11 UTC - MISINFORMED_OR_POTENTIALLY_MISLEADING
Speed of light depends on the material it passes through. It can be calculated by dividing vacuum speed of light by refraction index. In case of optic fiber, refraction index is about 1.4682, therefore the speed is calculated like: 299,792,458 m/s / 1.4682 = 204,190,477m/s. https://web.phys.ksu.edu/posters/2009/juma-Adv-Lab-S09.pdf https://www.quora.com/What-is-precisely-the-speed-of-light-in-fiber-optics https://www.genuinemodules.com/how-to-calculate-the-speed-of-light-in-an-optical-fibre_a2976
Written by AABA2E0F78B1821E5BF5AE5C29B3996DB7F6401F3C86F690FE4CE7EC20E48762
Participant Details
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All Information
- ID - 1772574008082362869
- noteId - 1772574008082362869
- participantId -
- noteAuthorParticipantId - AABA2E0F78B1821E5BF5AE5C29B3996DB7F6401F3C86F690FE4CE7EC20E48762 Participant Details
- createdAtMillis - 1711449551016
- tweetId - 1772291742810735068
- classification - MISINFORMED_OR_POTENTIALLY_MISLEADING
- believable -
- harmful -
- validationDifficulty -
- misleadingOther - 0
- misleadingFactualError - 0
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- misleadingOutdatedInformation - 0
- misleadingMissingImportantContext - 1
- misleadingUnverifiedClaimAsFact - 0
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- notMisleadingFactuallyCorrect - 0
- notMisleadingOutdatedButNotWhenWritten - 0
- notMisleadingClearlySatire - 0
- notMisleadingPersonalOpinion - 0
- trustworthySources - 1
- summary
- Speed of light depends on the material it passes through. It can be calculated by dividing vacuum speed of light by refraction index. In case of optic fiber, refraction index is about 1.4682, therefore the speed is calculated like: 299,792,458 m/s / 1.4682 = 204,190,477m/s. https://web.phys.ksu.edu/posters/2009/juma-Adv-Lab-S09.pdf https://www.quora.com/What-is-precisely-the-speed-of-light-in-fiber-optics https://www.genuinemodules.com/how-to-calculate-the-speed-of-light-in-an-optical-fibre_a2976
Note Status History
| createdAt | timestampMillisOfFirstNonNMRStatus | firstNonNMRStatus | timestampMillisOfCurrentStatus | currentStatus | timestampMillisOfLatestNonNMRStatus | mostRecentNonNMRStatus | participantId |
| 2024-03-26 10:39:11 UTC (1711449551016) |
2024-03-26 14:43:27 UTC (1711464207480) |
CURRENTLY_RATED_NOT_HELPFUL | 2024-03-28 02:49:05 UTC (1711594145171) |
CURRENTLY_RATED_NOT_HELPFUL | 2024-03-26 14:43:27 UTC (1711464207480) |
CURRENTLY_RATED_NOT_HELPFUL |
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