Tác giả: Melia Fulvio Melia

Albert Einstein s theory of general relativity describes the effect of gravitation on the shape of space and the flow of time. But for more than four decades after its publication, the theory remaine …

Practically all of modern physics deals with fields-functions of space (or spacetime) that give the value of a certain quantity, such as the temperature, in terms of its location within a prescribed …