Future long range space travel, radio messages (to for example: mars) could take up to 40 minutes to travel in one direction.
Is it possible to send a audible signal with different means? I'm just wondering. (Just watched "The Universe" and was inspired).
Edited out part with EM waves and wavelength. (4-21, 3:13am cst)
Is it possible to send a audible signal with different means? I'm just wondering. (Just watched "The Universe" and was inspired).
Edited out part with EM waves and wavelength. (4-21, 3:13am cst)
