A few minutes with optical fiber.

an optical fiber used to transmit light. Due to very low noise in optical fiber, it can be used to transmit sensitive information in electronics.

[@achichimakuri8662]

Very good!

[@KORZDAKRA]

very informative video 👍

[@rahasia_allah]

Amazing 👍

[@Ade_Official-d4e]

Hello how are you New friend