As well as teaching physics at Lock Haven University of Pennsylvania, Donald Simanek curates the online Museum of Unworkable Devices. With glee and zeal, Simanek dissects the failings of perpetual motion machines past and present.

Based in a new Silicon Valley home, the Computer History Museum offers online exhibits to supplement its extensive collection of computers. Current exhibits include histories of the Internet and microprocessors.

“Irenicum, or Ecclesiastical Polyty Tending to Peace” is the title of a 40-page treatise that Isaac Newton wrote in 1710. Thanks to the Newton Project, which is based at Imperial College London, you can read online this and other nonscientific works by Newton.

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