Communicating with the Past & Future, on Earth & Beyond

Science? Philosophy? Linguistics? Archaeology? Communicating the achievements of our civilization to aliens or the future: what should we send? Join Stephen Wolfram as he takes on these questions and more, based on his blog post "Showing Off to the Universe: Beacons for the Afterlife of Our Civilization." Read here: https://wolfr.am/s3SDV5mP