Category: History - Medieval/Middle Ages
Until several decades ago, the physical sciences were considered to have had their origins in the 17th century--mechanics beginning with men like Galileo Galilei and magnetism with men like the Elizabethan physician and scientist William Gilbert.
Until several decades ago, the physical sciences were considered to have had their origins in the 17th century--mechanics beginning with men like Galileo Galilei and magnetism w...
2. Chapter 2As the "generans" of terrestrial change moves what is light and heavy to another place by implanting a new form in a substance, so the magnet moves the iron by impressing upon i...
3. Chapter 3Gilbert made a number of successive generalizations in order to arrive at the induction that the form of the loadstone is a microcosmic "anima" of that of the earth.[68] After c...
4. Chapter 4The strength of a loadstone depends upon its shape and mass. A bar magnet has greater powers than a spherical one because it tends to concentrate the magnetic powers more in the...