The meticulous rebuild of a Melges 30 started with structural and cosmetics, then came the hardware and electronics to make ...

Those two metal spheres are not decoration, they are Kelvin’s balls, part of a precise system that counteracts magnetic errors caused by steel hulls. This explains how permanent and induced magnetism ...

The magnetic sense in migratory birds has been studied in considerable detail: unlike a boy scout's compass, which shows the compass direction, a bird's compass recognizes the inclination of the ...

This boat compass was used by merchant seamen aboard one of the lifeboats from the SS Alcoa Guide, an American freighter sunk by the German submarine U- 123 three hundred miles east of Cape Hatteras ...

Abstract: This paper presents a triaxial Helmholtz coil instrument that generates position-independent magnetic gradients for microrobot force actuation without auxiliary Maxwell coils. By independent ...

Abstract: Magnetic particle imaging (MPI) is a novel tomographic imaging technique with high sensitivity and high temporal resolution. Reconstruction methods based on the system matrix (SM) enable ...

The Discover Boating Miami International Boat Show opens on February 11 and promises to be a city-wide boating extravaganza. There are plenty of reasons to jet to Miami in February not the least being ...