A secret history of the world's anecdote: The United States finally found the Dyson ball and co

As a scientist, Shostak is optimistic, but he also emphasizes that his judgment is not whimsical, wishful thinking, but based on the logic of the SETI mission. Half a century sounds long, but research in this area is still in its infancy. He believes that considering the current level of SETI's efforts and technical level, we are at a critical turning point and will soon be able to open the "new world's door"