How I scan documents with my Android phone and turn them into PDFs for free - it's easy

Need to make a PDF from your Android phone? You can use Google's free tool to scan and create documents in seconds. Here's ...
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Not Hours, Not Minutes: China's New 3D Printing Method Takes Less Than A Second

3D printing isn't just a DIY option for hobbyists who want to make useful home gadgets or their own action figures. As a recent study published in Nature points out, 3D printing can have applications ...