electron=الكترون

electron=الكترون WIKIPEDIA The ancient Greeks noticed that amber attracted small objects when rubbed with fur. Along with lightning, this phenomenon is one of humanity's earliest recorded experiences with electricity.[15] In his 1600 treatise De Magnete, the English scientist William Gilbert coined the New Latin term electricus, to refer to this property of attracting small objects after being rubbed.[16] Both electric and electricity are derived from the Latin ēlectrum (also the root of the alloy of the same name), which came from the Greek word for amber, ήλεκτρον (ēlektron). ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Thales of Miletus is often credited with being the first systematic philosopher of the Western world. He was the first to reject supernatural explanations and seek reasons behind events. To prove the value of this understanding of the world he used his logic and evidence to predict a good crop of olives and, buying up olive presses, was able to corner the market in oil and make a fortune. As well as devising several geometric theories (which allowed him to measure the height of the pyramids from the ground) Thales was also the first person to study electricity. It had been noticed that amber, when rubbed, attracted threads of fiber to it. It was this static electricity which Thales’ studied. When the negative particle of the atom was named it was called the electron, after the Greek for amber – elektron.