They promise much for energy storage but to be competitive they need a market so the costs will drop—where will that come from? The Editor went to Washington DC to find out.
The last engineers who are allowed to dream in America are those who work for the US military. They can dreamm about how to hurl projectiles at fantastic velocities, making the 18" guns of battleships of yesterday seem impotent by comparison.
They dream of how to re-engineer the catapults on the navy carriers to electric power. And how to get . . .
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