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A comment on The Size of the Human Radio-Broadcast Bubble in the Milky Way Galaxy. Parent comment

Re:The Size of the Human Radio-Broadcast Bubble in the Milky... by jerf on Sunday February 06, 2011 @04:19PM (#2186476)
"100 years ago, physicists thought perpetual motion machines were impossible."

Bad example, man, the "anything is possible" crowd hasn't necessarily conceded that point either....

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