CNET experts have tested dozens of air purifiers in our Louisville testing lab. Here's how we evaluate them to provide ...

NEWPORT NEWS, VA – Since it first went online more than 30 years ago, the Vertical Test Area at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility has gotten used to ...

As stated earlier, filtration is the mechanical or physical removal of solids from fluids (liquid or air). This is achieved when the liquid passes through a filter medium, which reduces the number of ...

The cleanliness of enclosures or parts is critical to avoid the presence of particulate contamination which can be bad for quality or performance. A good method to establish cleanliness is the ...

Content originally published on Parker Hannifin's blog. Cleanliness is a game of microns. Most OEMs consider any particle in their system measuring more than 500 microns (1/2 millimeter) unacceptable ...