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Dave Richeson

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  • Dec 8, 2024 | divisbyzero.com | Dave Richeson

    I’ve been on a weird kick lately making images using Excel. [Here’s one post. I hope to post more soon.] If you add a background color to each cell in a spreadsheet and resize the cell widths to make each one square, then you can zoom out so that each cell acts like a pixel in an image. In this post, I show how you can create your own “Magic Eye” image using Excel. (I also give you an Excel spreadsheet to get you started.) Technically these images are called autostereograms.

  • Feb 16, 2024 | quantamagazine.org | Thomas Lin |Thomas LinEditor |Pradeep Mutalik |Dave Richeson

    It’s the year 2718. Humanity has invented a warp drive that enables a spacecraft to hyperjump to distant solar systems and back to Earth. The drive promises to revolutionize space exploration. But there’s a catch. The new technology can only make hyperjumps that follow the basic rules of arithmetic. Earth’s governing body has tapped you, an adventurous math explorer, to captain the first warp-drive-equipped starship in its fleet.

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