The sound tranfer loss of 2 kind of muffler structures are calculated, then tested and verified on the double sound transferrer random exciting exhaust muffler testing rig.
Autonomous underwater vehicles, or AUVs, are used in the oil industry, for instance, to create maps of the seabed before rigs and pipelines are installed.
To pay homage to Piccard and Walsh, I'd taken this astonishing watch onboard my submersible: the Old Lady – the same prototype that these great pioneers had rigged on their bathyscaphe, the Trieste, in 1960.
If we limit our vision of the future to one filled with oil rigs, smokestacks and suffering, we limit our capacity and shirk our duty to change the course of humanity for the better.