We live in a universe that can be seen and experienced from many different perspectives. We therefore need to look at the universe from many different angles. Everything and everyone is a form of the ...
Sir Isaac Newton built upon the ideas of relativity that were first developed in the 1632 publication of Galileo Galilei who first coined the term with respect to what we now call physics. Although relativity also refers to concepts in social science, it is in physics that it is best known. Galileo described the idea of the relative position, or viewpoint, of an observer as being fundamental to observable science. He came up with the idea that someone below deck on a boat that was travelling at a constant speed without rocking would have no idea if he or she were, indeed, moving. It helped him to explain why the Earth might move around the sun even though human beings cannot sense their planet whizzing through space.