The Power Of Last Words
We are pumping broadcasts into space as an ever-expanding sphere of radio waves, says Michael Stevens. “But here’s something humbling,” he says. “Even at the speed of light, Earth’s radio sphere is puny.”
So will our radio waves ever reach our neighbors in the universe and what will they hear–Hitler’s address from the 1936 Olympics, Martin Luther King’s famous “I Have a Dream” speech or Neil Armstrong’s epithet from the moon? Stevens addresses the power of last words and first words in this edition of Vsauce.
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