Question

what is one use of infrared? tv remote controls aircraft communication am radio

Explanation:

Infrared technology is widely used in various applications. TV remote controls utilize infrared signals to communicate with the TV. When a button is pressed on the remote, it emits an infrared beam encoded with specific signals. The TV's infrared receiver detects these signals and performs the corresponding action, such as changing channels or adjusting volume.

Answer:

TV remote controls