Light travels much slower (~1.5x slower) on a fiber optic, due to the refractive... | Hacker News

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		ahachete on Sept 27, 2022 \| parent \| context \| favorite \| on: Why we moved from AWS RDS to Postgres in Kubernete... Light travels much slower (~1.5x slower) on a fiber optic, due to the refractive index (~ 1.5) of the fiber.

osigurdson on Sept 27, 2022 [–]

Yes, but that is not even the lowest latency technology available today.

https://en.wikipedia.org/wiki/Velocity_factor

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