Research Article
Published: 07 January, 2025 | Volume 8 - Issue 1 | Pages: 001-009
The spin of a physical object is a vector which is held by the self-rotation axis of the object. Spin measures the intensity of the self-rotation of the object around its axis. The sudden and forceful, but direct contact of two bodies is known as collision. The collision is supposed to be perfectly elastic. Newton stated the law of universal attraction. The formula of Biot & Savart is unavoidable if we are interested by electromagnetism; this formula led to the famous equations of Maxwell. Curiously, this formula includes a vector product which may seem quite unusual. An electric current, which flows in an electric wire, creates, by induction, another current of small particles, all around the wire. The colors are intensities of reflections, due to the self-rotation of atoms of the colored objects. The stars novas are due to sudden appearance of storms of space winds, which strike the stars, and which make them self-rotate faster and then it became brighter.
Read Full Article HTML DOI: 10.29328/journal.ijpra.1001104 Cite this Article Read Full Article PDF
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