Exploring Earthlings’ various attempts to reach out to non-Earthlings over the centuries, Daniel Oberhaus poses some not entirely answerable questions. Is there not only a universal grammar (as Noam Chomsky has posited), but also a grammar of the universe? If we send a message into space, will extraterrestrial beings receive it? Will they understand? What languages will they (and we) speak? If we can’t even communicate with non-human mammals and primates, how are we going to communicate with sentient alien…
