Topic: Philo Farnsworth

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  • Are you a TV trivia buff? Take our quiz

    Ever since Philo T. Farnsworth, David Sarnoff, and Vladimir Zworykin started toying with vacuum tubes in the early part of the 20th century, we've been intrigued by the box with moving pictures and sound. Try your hand at our television trivia quiz.

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  • Are you a TV trivia buff? Take our quiz

    Ever since Philo T. Farnsworth, David Sarnoff, and Vladimir Zworykin started toying with vacuum tubes in the early part of the 20th century, we've been intrigued by the box with moving pictures and sound. Try your hand at our television trivia quiz.

  • American Innovation: 13 Born-in-the-USA inventions

    American Innovation: 13 Born-in-the-USA inventions

    There is a long history of innovation in America's relatively short existence; from lone inventors experimenting in garages to collaborating and competing with international scientists. Many of the following 13 inventions have become fixtures in daily life.

  • Opinion The patent system: End it, don't mend it

    From AIDS to Android phones, research shows that intellectual property rights are detrimental to the social good.