You see a lot of pneumatic actuators in industrial automation, and for good reason. They’re simple, powerful, reliable, and above all, cheap. Online sources and fluid-power suppliers carry a ...

(3) performing a low-pressure air test on a new pipeline before placing it into service; or testing a pipeline already in service for leaks. There are two pipe plug options to choose from. Mechanical ...

Elon Musk is not the first inventor to put his hopes into vacuums. Respect to the Hyperloop, but pneumatic tubes have a centuries-long history -- in both human infrastructure and in the minds of ...