(A) The ultra-intense X-ray beams delivered by the unique superconducting helical undulator. (B) Ultrafast multi-pulse X-ray images. (C) Analysis of a region of interest. (D) A high-resolution ...

Bubbles created by pressurized water can directed at surfaces and trigger cavitation, the continued creation and collapse of bubbles. The addition of an ultrasonic transducer helps reinforce this ...

The noise from ship propellers disturbs the marine ecosystem. HAW Kiel investigated the cause and aims to develop quieter ...