Science
Erbium ions actively amplify optical signals in glass
HERE’S THE INTERESTING PART
Data traveling through immense subterranean glass cables naturally degrades over long distances, but erbium swoops in to violently refresh the signal. Erbium ions strategically placed inside the glass take in weak incoming light and aggressively amplify it outward, acting as an exhausted relay runner forcefully shoving the data across the globe.
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