How often have you wished you could reduce the size of a drillbit? [Ben Katz] has a bunch of projects in mind that use a tight-tolerance 22mm bore–but he didn’t have a 22mm reamer handy. Rather than ...

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The use of radio-frequency identification (RFID) technology has grown in recent years and across a wide range of industries, from use in asset tracking retail sales, transmitters for toll roads and ...