Stencils such as “UPRR Main Trk” and “No Trespassing” can be found on the web of the rail on some Union Pacific lines. The example shown here is at Clyman Junction, Wis. Cody Grivno photo Q: In all my ...
By employing commercially available metal stencils, the UH Mānoa team was able to reduce the minimum feature size from about 120 micrometers to just 45 micrometers. This allows for the creation ...