Eli5 How does the teeny tiny ‘actual’ undersea internet cable transport all the information requests from both sides of the Atlantic?

Question

If the huge layers of cables around it are just for protection, how can the large number of requests be transmutted through a cable that thin?

In: 2

Answer 1

Fiber optics. The cable is a bundle of tiny tubes the size of a human hair and they use lights or lasers to transmit data. It quite an amazing thing to see. There are videos on YouTube. Check them out. Very educational