Feature

  1. New Machines and Gadgets

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  2. First Glances at New Books

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  3. Front Matter

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  4. Robots to Study Ocean

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  5. Guard Health of High School Children

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  6. Examination Urged

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  7. Walls of the Future

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  8. Quick Change Explained

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  9. [Photograph]: Steel for War

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  10. Science from Shipboard

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  11. Japan’s Pacific Gibraltar Is a Sinking Island

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  12. In Science Fields

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