A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

Proposed for the deflection and mitigation of asteroids, laser ablation is caused by illuminating the surface of the asteroid with a laser light source. The laser beam heats the surface material, ...

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 ...