The Fabricator

XYZ, YBC, and LRA: understanding coordinate systems for CNC tube bending

Y, B, and C relate to the axis names most manufacturers use on CNC tube benders. LRA stands for length, rotation, and angle, ...

A tug-of-war explains a decades-old question about how bacteria swim

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...
IEEE

Numerical Research on the Effect of Propeller Rotation Direction on the Propulsion Performance and Load Difference of Inner and Outer Propeller in a Four-Screw Ship

Abstract: In the actual sailing of the four-screw ship, due to the asymmetrically distributed wake, the inner propeller and outer propeller show obvious load difference. The load difference will ...
IEEE

Direction of Arrival Estimation for the Coexistence of Uncorrelated and Coherent Signals via Rotation Spatial Differencing Method

Abstract: This paper presents a novel direction of arrival (DOA) estimation method via rotation spatial differencing technique that offers high resolution, robustness, and stable performance. To ...