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Even if we delegate future space travel to private companies, they will still need fuel in order to fly around, once they used conventional means to get off the earth. An unmanned space probe called the Pamela, launched 5 years ago, has detected a field of antimatter particles called antiprotons in a thin band around the earth that could provide fuel for these craft ("Pamela" does not refer to an astronomer’s girlfriend, it stands for Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics).
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When our brave Navy SEALS captured Osama bin-Laden, who turned out to be hidden in plain sight in the vicinity of a military academy in Pakistan, many of us in the US began to wonder if Pakistan is really a US ally, and whether the Pakistani military or covert agents–or both–actually knew his whereabouts all along.
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