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In radio and television, for instance, the Other Men were technically far ahead of us, but the use to which they put their astounding inventions was disastrous. In civilized countries everyone but the pariahs carried a pocket receiving set. As the Other Men had no music, this may seem odd; but since they lacked…
A scientific theorum has not been - cannot be - proved in the way a mathematical theorem is proved. But common sense treats it as a fact in the same sense as the 'theory' that the Earth is round and not flat is a fact, and the theory that green plants obtain energy from the sun is a fact. All are scientific theorums…
We stand upright-after a little practice-on a ship that rolls because we possess an array of sensory nerve cells buried in our muscles, skin, and joints. The function of these sensors is to provide a constant flow of information to the brain about the movements and location in space of the various parts of our bodies…