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Lisa Scanlon Guest Contributor

  • Walk the Talk

    Al Gross’s 1938 invention of the walkie-talkie launched mobile communications.

  • Hovercrafter

    It wasn’t always smooth sailing for the inventor of the hovercraft.

  • Vocal Codes

    A quirky artificial voice synthesizer built in the 1930s paved the way for cell phones.

  • Simple Screening

    How a Greek doctor accidentally discovered one of the most effective cancer-screening tests.

  • Behind Bars

    The bar code: reading between the lines.

  • Good Vibrations

    Electronic music’s Soviet roots.

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