About this video
This video explains how glass fibers were invented to send signals, which was almost impossible to make. It's a science story about materials and communication. The video is sponsored by Saily.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What material is discussed?
Answer: Glass fibers
Q2 What are glass fibers used for?
Answer: Sending signals
Q3 Who sponsors the video?
Answer: Saily
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