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James is a published author with four pop-history and science books to his name. He specializes in history, strange science, and anything out of the ordinary.

Many atomic nuclei have a magnetic field similar to that of Earth. However, directly at the surface of a heavy nucleus such ...

A scientist from Tokyo Metropolitan University has solved the longstanding problem of a "dissonance" in gravitational waves ...

In recent years, with the deepening interdisciplinary research between general relativity and electromagnetism, the ...

In 1862, James Clerk Maxwell published his famous Maxwell’s equations. This was at a time when humans were just starting to play around with batteries and electric currents. The first two of these ...

Most questions were numerical and formula-based. Important chapters included Mechanics, Modern Physics, Electrostatics, Ray Optics, and Units & Measurements. There were no questions from Fluids, Wave ...

Abstract: A generalized dispersion equation is derived featuring coupled mode theory, parity-time symmetry, and leaky wave antennas of arbitrary periodic ... can describe a structure containing all ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.