President Donald Trump said Friday he will raise steel tariffs from 25% to 50%—the latest tariff policy change that comes as the president and his administration have frequently flip-flopped its ...

James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...

Industry standards for surface finish help define the specifications of the instruments, how they are used, the results they provide and how they can be tested for performance.