Electromagnetism

The electricity and electromagnetism are two branches of the physics. The electrical and magnetic phenomena began to study towards end of century XVIII, when in 1785 the French physicist Charles de Coulomb confirmed that the electrical repulsion or attractive force...

Leader

The work of all director is the consecusin of objectives. All that can include such accomplishment, does feeling equal interest by the human objectives like by those of economic order. Its attitude towards those to that directs, influences its acts....