Grooving or recessing operations, sometimes also called necking operations, are often done on workpiece shoulders to ensure the correct fit for mating parts. When a thread is required to run the full ...

AmericanMachinist.com reflects the work and aspirations of machine shop owners, managers, operators, and programmers. We examine the practical challenges of machine shop operations; evaluate the new ...

While solution-phase chemistry lets millions of parallel DNA reactions be performed simultaneously in a beaker, manipulating single molecules of DNA is still a formidable challenge. A new technique, ...