Never worry about theory as long as the machinery does what it's supposed to do.
Most people who sneer at technology would starve to death if the engineering infrastructure were removed.
Don't explain computers to laymen. Simpler to explain sex to a virgin.
It may take endless wars and unbearable population pressure to force-feed a technology to the point where it can cope with space. In the universe, space travel may be the normal birth pangs of an otherwise dying race. A test. Some races pass, some fail.
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