2 sept. 1956 - Transatlantic telephone cable
Description:
A transatlantic telecommunications cable is a submarine communications cable connecting one side of the Atlantic Ocean to the other. In the 19th and early 20th centuries each cable was a single wire. After mid-century coaxial cable came into use, with amplifiers. Late in the century, all used optical fiber, and most now use optical amplifiers.Ajouté au bande de temps:
Date:
2 sept. 1956
Maintenaint
~ Il y a 69 ans