pneumatic

The pneumatic tube was between the rails and it had a leather seam sealed slit all the way.

The pneumatic "marching" rig they used was anything but synchronized or controlled.

Bigger than the pneumatic tubes that move cash at legacy brick and mortar physical stores and bank branches.

Trash on Roosevelt Island isn't picked up by truck -- it's sucked through pneumatic tubes into the island's central waste center.

Either using an augur or a pneumatic tube delivery system.

The organ console is an electrical or pneumatic controller, with no direct connection to the pipes.

The proposed Hyperloop's operation is quite different from a pneumatic tube, which forces objects through with air pressure.

In this case I suspect you'd be better off with the advantages of a pneumatic tire than the adaptability of this "Roadless" design.

You don't get electro-pneumatic brakes to stop every car at exactly the same rate - instead you have dynamic brakes and air. Try to stop that with some precision :PIn the end, the main sticking point isn't the rolling stock anyway.

They use internal combustion engines to power pumps and hydraulic or pneumatic end-effectors to actuate joints.

All that's missing from US borders now are the pneumatic flechette firing motion detectors...Think nail guns with motion detectors...Your travel papers please, Komrade!

Before steam engines became / turned out to be practical to place in a moving vehicle, there were railroads powered by pneumatic tubes so the heavy machinery could be stationary.

They're using a pneumatic stage sep mechanism rather than a pyrotechnic one to eliminate material-handling, static, and other safery concerns related to pyrotechnics.

The design document explicitly describes the limitations of pneumatic tubes:"At one extreme of the potential solutions is some enlarged version of the old pneumatic tubes used to send mail and packages within and between buildings.