Alien Would Decode News Today

These are the first emissaries of our human culture that an alien would decode. >> it takes so long for sound to get out there. and i would never think you would describe of us as living in an alien zoo. i think we have a little bit of time for a lightning round. true or false, saturn would float in water, true or false? >> yeah, the density of watsatu is less than water. >> youd be the same height in space, true or false? >> youre an inch or two taller in space, the moment you come back, you sh...

And there have been entertaining science fiction stories that capture just those themes. so thats the fear factor. but what are we doing? were mostly listening. we have giant radio telescopes pointing in different directions with highly sophisticated circuitry that listens to billions of radio frequencies simultaneously to see if anybodys whispering on any one of them at any place in the universe. so thats different from sending signals out. were not sending signals out on purpose. were sending ...