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Moseley’s Law

Soon after Rutherford's scattering theory had been confirmed by experiment (about 1913), the one-to-one association of an atomic number Z with... View Article

The Concept of Pressure

Have you ever wondered why our knives need to be so sharp or why the nails we use the end with a sharp point? The answers to all these questions... View Article

Magnetic Field

The magnetic field is the area around a magnet in which the effect of magnetism is felt. We use the magnetic field as a tool to describe how the... View Article