Over Chicago a bright blue light hangs in the sky, visible 400 miles away. When dawn comes the light jades out in the sunshine, and the sky station stands revealed. It is a great, saucerlike disk supported in the high, thin air by whirling helicopter blades. On its deck perch radar antennas, turning ceaselessly. It stays up month after month. It has no fuel to be exhausted; its power is beamed to it from the ground.
This vision of the future is not science fiction but a serious project announced this week by Raytheon Manufacturing Co., maker of all types of radar....
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