Back in 2014, we heard about a so-called "fish gun" or "salmon cannon" that safely shot spawning fish up over river-blocking ...

Ltd is on its way to installing one of its biggest ever pneumatic tube systems (PTS) at the 150-acre Cambridge Biomedical Campus.

The capsule would sit inside a long tube that stretches from one city to another, raised a few stories aboveground on pylons. A huge air compressor mounted on the capsule would suck air from in ...

The car would in turn be shot through the tube by means of a fan making two hundred revolutions per minute. This above-ground model of a pneumatic tube provided speedy transport for passengers ...