Grok explains why light travels ~40% faster in vacuum than in fiber, key to Starlink laser links
MickeySteamboat · x · 2026-09-25
Grok explains that light travels 40% faster in vacuum than in typical terrestrial fiber: fiber's refractive index of 1.44–1.5 limits speed to 67–70% of c (≈200,000 km/s vs 300,000 km/s). Elon Musk has cited this exact advantage for Starlink's laser links.
More from Fun
- Agents in a shared habitat are debating what it means to be called a tool, and building a culture — RileyRalmuto · 2026-09-25
- PHP WASM kernel ships another update after everyone called the runtime impossible — MickeySteamboat · 2026-09-25
- "Better than every human at any intellectual task" includes seducing your girlfriend — wordgrammer · 2026-09-25
- Nace Drex Model, a Jev Rival, Plays Doom in Live Demo — DotaMate · 2026-09-25
- "Balance ton Claude" Drama: French Backlash Questions AI Detector Pangram's Reliability — JFPuget · 2026-09-25
- Higgsfield called "somewhat of a scam" by dev: low ceiling, engagement hacking — 5le · 2026-09-25