Normal sparking from an electrical outlet. When that power is suddenly diverted to an appliance, there will be a quick draw on the available power, causing a brief spark. Once the electrons are flowing freely, there should be no reason for a spark to form.
Alfred Kastler (3 May 1902 â 7 January 1984) was a French physicist, and Nobel Prize laureate.
Alfred Wegener was the scientist who proposed the Continental Drift Theory in the early twentieth century. Simply put, his hypothesis proposed that the continents had once been joined, and over time had drifted apart.