What are semaphore signals and their history?

What are semaphore signals and how did they originate?

Semaphore signals are a system of visual signaling using flags, lights, or mechanical devices. They originated in the late 18th century, primarily for maritime communication.

Can you tell me more about how semaphore signals were used in the past?

Certainly! Semaphore signals were widely used in naval operations and by railways to convey messages over long distances before the advent of electronic communication.

What were some of the key developments in semaphore technology?

Key developments included the introduction of the optical telegraph in the late 1700s and the use of standardized flag signals by the British Royal Navy.

Are semaphore signals still used today?

While largely replaced by electronic communication, semaphore signals are still used in some maritime contexts and as a training tool.