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Using Halftone Images in QR codes Without Upsetting Scanners

情報源: Hackaday ·

Although quick-response (QR) codes are rather simple monochrome affairs, adding embellishments to them is a popular activity, if only to make QR codes not stick out like a sore thumb …read more

Using Halftone Images in QR codes Without Upsetting Scannersとは?

Using Halftone Images in QR codes Without Upsetting Scanners is a 記事 discovery curated from Hackaday. Although quick-response (QR) codes are rather simple monochrome affairs, adding embellishments to them is a popular activity, if only to make QR codes not stick out like a sore thu

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You can experience this content directly on its original host (Hackaday) by clicking the "Open Original" button.

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Curated from Hackaday by the OnSuggest team to surface the most interesting and serendipitous content on the web.

記事 · 科学

IEEE Program Schools Preuniversity Educators On Tech Topics

Now in their third year, the IEEE TryEngineering educator sessions continue to empower preuniversity teachers with specialized professional development programs on engineering topics and classroom-tested lessons. This year’s sessions, held across the United States, have focused on educating teachers about artificial intelligence and semiconductor technology. One session was held in Egypt. In all, 54 educators learned about the engineering design process this year. They received an overview of TryEngineering resources including the Making of a Microchip and Train Your Tree lesson plans. Worksho

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記事 · 科学

How Do You Land on a Moon With Almost No Gravity?

Last August, looking up from the edge of an ancient river delta on Mars, the Perseverance rover ’s electronic eye spied an oblong shadow crossing the distant, glowing Sun. Phobos , the Martian moon named for the Greek god of fear and panic, was transiting the solar disk. Too small to darken the pale, dust-tinged sky, but orbiting close enough to eclipse a significant fraction of the Sun, Phobos passed in less than a minute. NASA’s Perseverance rover captured Phobos passing in front of the Sun from the surface of Mars. ASU/MSSS/SSI/JPL-Caltech/NASA The tiny moon, with its murky origins, is an e

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