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The Brachistochrone Curve

The Brachistochrone Curve

The brachistochrone curve is a classic physics problem, that derives the fastest path between two points A and B which are at different elevations. Although this problem might seem simple it offers a counter-intuitive result and thus is fascinating to watch. In this instructables one will learn about the theoretical problem, develop the solution and finally build […]

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SELPIC S1 THE HANDHELD ANY SURFACE QUICK PRINTING SOLUTION

SELPIC S1+ THE HANDHELD, ANY-SURFACE QUICK PRINTING SOLUTION

SELPIC 1+ is a palm-sized handheld Inkjet printer that is currently on a Kickstarter fundraiser campaign well exceeding its targeted goal. This printer allows the user to print on any surface and any material. It can print any text, image, QR code, barcode by simply moving the device across the printing surface. The printing surface can be anything such as paper,

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