Air rings blown by dolphins swimming underwater and rings of smoke emitted by jet engines are just two examples of vortex rings. These doughnut-shaped structures and their mesmerizing movement have ...

A new laboratory experiment uses a water tornado to simulate key processes in planet formation within protoplanetary discs.

This paper presents the design of a Complementary Split Ring Resonator (CSRR) with sensitivity enhancement to detect ammoniacal nitrogen for water quality applications. Based on the literature review, ...