Global Steel Production

Production process: Steel

Whether it’s for a DIY project at home, clothing measurements or surveying a plot of land, tape measures are a handy tool for making measurements. But how do we know they’re accurate? Join NIST host Zane Comden as he walks you through the NIST Tape Tunnel, where researchers rely on microscopes and waves of light to make sure manufacturer’s tape measures are accurate. | National Institute of Standards and Technology (NIST)