• Military weapons 'strange' ever appeared

    Military weapons 'strange' ever appeared
    When it comes to military weapons, people often think of guns, bullets, tanks, airplanes ... however, the world has appeared strange weapons that no one knows, even Lice never
  • Spy agent - unsuccessful mission of the CIA

    Spy agent - unsuccessful mission of the CIA
    In the 1960s, CIA officials wanted to find an effective and secret way to record the content of foreign officials' talks in the US, Scientific American reported.