Author Archives: ErkDemon

Rice and the Chessboard

By | May 14, 2010

In the story, an Emperor asks his mathematician to solve a difficult problem.In payment, the mathematician asks for a chessboard with one grain of rice on the first square, two on the next, four on the one after that, eight on the next, and so on. The …

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Ten Things you can’t do on an Apple iPad

By | May 3, 2010

Ten Things you can’t do on an Apple iPad:Watch broadcast TVThe iPad has nowhere to plug in a DVB TV tuner dongle, and even if if it had, the iPad doesn’t decode the MPEG2 video format used for standard-format DVB digital tv broadcasts. It’s MPEG4-…

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Ten Things you can’t do on an Apple iPad

By | May 3, 2010

Ten Things you can’t do on an Apple iPad:Watch broadcast TVThe iPad has nowhere to plug in a DVB TV tuner dongle, and even if if it had, the iPad doesn’t decode the MPEG2 video format used for standard-format DVB digital tv broadcasts. It’s MPEG4-…

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‘Circular’ Polyhedra, and the Apollonian Net

By | April 27, 2010

This is the nice design that I used on page 2 of the book.Annoyingly, rather a lot of other people discovered it before me: it’s indexed on Wikipedia as the Apollonian Net, after Apollonius of Perga (~262 BC – ~190 BC), and it’s also referred…

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‘Circular’ Polyhedra, and the Apollonian Net

By | April 27, 2010

This is the nice design that I used on page 2 of the book.Annoyingly, rather a lot of other people discovered it before me: it’s indexed on Wikipedia as the Apollonian Net, after Apollonius of Perga (~262 BC – ~190 BC), and it’s also referred…

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Ultra-high resolution photography

By | April 18, 2010

The “jitter” method (earlier post) can also be used for ultra-high-resolution photography. People want higher-resolution cameras, but the output resolution of a camera is usually limited by the number of pixels in its sensor. Some digital cameras h…

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Ultra-high resolution photography

By | April 18, 2010

The “jitter” method (earlier post) can also be used for ultra-high-resolution photography. People want higher-resolution cameras, but the output resolution of a camera is usually limited by the number of pixels in its sensor. Some digital cameras h…

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Titanic Syndrome

By | April 10, 2010

On the 10th of April 1912, the RMS Titanic set out on her first passenger-carrying voyage. The Titanic (and her Olympic-class sister-ships were state-of-the-art. They had a double-hulled design that meant that if one hull ruptured, the ship w…

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Titanic Syndrome

By | April 10, 2010

On the 10th of April 1912, the RMS Titanic set out on her first passenger-carrying voyage. The Titanic (and her Olympic-class sister-ships were state-of-the-art. They had a double-hulled design that meant that if one hull ruptured, the ship w…

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General Relativity is Screwed Up

By | April 2, 2010

With Einstein’s general theory of relativity, one of the theory’s harshest critics was probably Einstein himself. This was partly a matter of personal discipline, and partly – like the joke about sausages – because it’s sometimes easier to like a t…

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