From ancient compasses to modern smartphones, magnetometers have quietly shaped how we sense and navigate the world. Let us explore the fundamentals behind these field-detecting devices. Magnetic ...

The researchers fabricated chip-based interferometers (pictured) to measure how light propagating through a magneto-optic material changed in response to a magnetic field. WASHINGTON — Researchers ...

LONDON. Physical Society, October 23.—Dr. R. T. Glazebrook, F.R.S., president, in the chair.—The bending of magnetometer deflection-bars, by Dr. C. Chree. A theoretical paper contributed to the ...

DURING two thunderstorms at the beginning of the present monsoon, the recorded curves of the Copenhagen declination magnetograph recently installed at Alibag showed some characteristic features which ...