Three DARPA-funded research teams have completed a foundational study of chip-scale vacuum pumps by inventing three very different approaches to removing air from a sample chamber with a volume of one ...

A penis pump uses negative air pressure to engorge the blood vessels in your penis to help you develop an erection. Using the pump as directed is essential to prevent injury and other unwanted side ...

In principle, industrial vacuum pumps are merely compressors run with the inlet attached to the vacuum system and the outlet open to exhaust. In smaller sizes, compressors and vacuum pumps are often ...

Harbor Freight is consistently rated as a great place to get top rated tools for an affordable price. Whether you're an aspiring gardener or an at-home woodworker, the home improvement retailer has ...

In performing air sampling in the field, the first step is to assemble a sampling train consisting of a calibrated personal sampling pump connected by a piece of plastic tubing to the collection media ...

In part one of this series (May 2003), we explained the need for personal sampling, reviewed passive monitors and personal sampling pumps, and examined OSHA's substance-specific standards and their ...