Fiber optic cables: How Do they work?
engineerguy shared this video on Youtube!
Bill uses a bucket of propylene glycol to show how a fiber optic cable works and how engineers send signal across oceans. More info at http://www.engineerguy.com.
from Adafruit Industries – Makers, hackers, artists, designers and engineers! https://ift.tt/3b6NjNs
via IFTTT
