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of 150-200 nautical miles, but that missile won’t fit in the internal weapon bays of the F-35 and F-22, limiting its usefulness to the Air Force. The new Malice missile, on the other hand, is meant to go a wide range of aircraft...

into the system. Electricity generated at Niagara Falls could be transmitted to Buffalo, helping demonstrate the usefulness of large-scale electric power generation and transmission. What I find most impressive about Tesla is that he...

s Eyes Rest: Glory Blooming in the Unlikely Places We are deeply accustomed to the standards of the world—prioritizing usefulness, efficiency, and visible success. Consequently, when the place we stand feels humble, obscure, or...

The economical usefulness of a thing depends not merely on its own nature, but on the number of people who can and will use it. A horse is useless, and therefore unsalable, if no one can ride - a sword if no one can strike, and meat if...