Missed two - teleportation and ion propulsion. Neat test, though - thanks tecoyah!
Science does advance in leaps and bounds. Once we are out of school, if we don't follow it every day, scientific knowledge does grow beyond the average persons understanding. Hell, even if one does try to keep up, it can grow faster than our ability to understand or even imagine.
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"The death-knell of the republic had rung as soon as the active power became lodged in the hands of those who sought, not to do justice to all citizens, rich and poor alike, but to stand for one special class and for its interests as opposed to the interests of others. " - Theodore Roosevelt
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