A rheometer and powder flow tester can measure how pharmaceutical materials, such as powders from a hopper, flow. Analyzing the rheology or flow behavior of materials involves evaluating initial ...

When we take a stroll on the beach, we walk on the sand without any trouble. The sand appears solid and is difficult to compress. When we put the same sand grains in an hourglass, they behave very ...

A recent assessment of material flows for various resins indicates a need for significant improvement in recovery and end-of-life processes to ensure a truly circular economy. The graphic featured has ...

Editor's note: Consultant Al Levi helps HVAC and plumbing contractors run their businesses with "less stress and more success." He has agreed to let us share with readers of The NEWS some of the ...

How does toothpaste stay in its tube and not ooze out when we remove the cap? What causes seemingly solid ground to suddenly break free into a landslide? Defining exactly how soft materials flow and ...