Tonetti 3D-printed the custom two-microphone impedance tube to measure the saxophone acoustic impedance, while he 3D-printed ...
People would have laughed and rolled their eyes if the 1977 movie smash “Star Wars” had even suggested that — one day in the ...
Abstract: The high-velocity metal jet generated by the energy gathering effect has a strong destructive effect on the target. The basic properties of metal jet generated by the explosion of shaped ...