THE LAST WORD

摘要

I recently heard of another search for the black box flight-data recorders from a missing aircraft. Why is this data not streamed periodically to a satellite or ground station so in the event of the unexplained loss of an aircraft, it would be available? (Continued)rnI think an earlier correspondent is mistaken in supposing that the term "black box" was invented in connection with aviation. My recollection is that it was coined by Norbert Wiener, the cybernetics pioneer.