Most patterns eventually repeat themselves. But in the 1970s, mathematician Roger Penrose discovered a set of shapes that ...

This is a maskless technique (similar to projection lithography) to create patterns in a photosensitive resin (photoresist). This is a common step in many microfabrication operations like ...

When tackling Artificial Turf Installation, knowing how to cut and seam the turf for a seamless look is key. The first step is having the right tools. Proper ...