Problem: how to make a jet engine work under water. Solution: make it use a fuel that burns in water instead of in air.
Dr. Fritz Zwicky, astronomer, physicist and rocket expert of Caltech, has developed such an engine for the U.S. Navy, which presumably hopes to use it in torpedoes or in anti-submarine devices. The Navy is so excited about it that it won't allow Swiss-born Astronomer Zwicky to open his mouth on the subject. It has also warned Aerojet Engineering Corp. of Azusa, Calif., which is working on the device, to keep it...
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