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How Trapping Light Built the Modern Internet
Original: How We Trapped Light and Built the Internet
A new explainer is drawing large audiences by telling the story of fiber optics — the technology that traps light inside hair-thin glass strands and carries the world's internet traffic. The piece walks through how researchers learned to guide light with total internal reflection, overcome signal loss, and scale the breakthrough into the global network of undersea and land-based cables that now underpins online communication.
Why now: The engaging history and science of fiber optics is resonating with a wide audience interested in how the internet physically works.
Veritasiumfiber opticsthe internet
Evidence
- How We Trapped Light and Built the Internet · Veritasium · 1.4M
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