High-density crop planting is a proven approach for suppressing patches of weeds that escape other controls. Unfortunately, though, the cost of seed keeps many growers from considering this dense ...

The Variable Density Sound Orchestra is veteran Boston-based guitarist/composer Garrison Fewell's newest working ensemble. Whenever possible, this international group features charter members Roy ...

Variable-density flow modelling addresses the coupling of fluid flow and solute transport in porous rocks and sediments when density variations, driven by concentration or temperature differences, ...

New Hoya Variable Density filter in sizes from 52 mm to 82 mm. Each filter uses two polarising layers to control the amount of light that passes through the filter and into the camera lens. They can ...