👉 Cerotelion is a type of telegraph signal that uses light waves to transmit information across long distances. It's similar to radio but uses light instead of electrical signals, making it more efficient and reliable for short distances.
👉 Cerotelion is a type of telegraph signal that uses light waves to transmit information across long distances. It's similar to radio but uses light instead of electrical signals, making it more efficient and reliable for short distances.
