Sustainability
Energy in the Universe
The energy flows on the earth are embedded in the energy flows in the universe. A delicate balance among gravitation, nuclear reactions and radiation keep the energy from flowing too fast...
Stories by Freeman J. Dyson
The Sciences
Mathematics in the Physical Sciences
The outstanding examples of the power of mathematics to relate the facts of nature can be found in physics. The latest example is the use of group theory to relate the fundamental particles...
The Sciences
Innovation in Physics
Faced with the facts of physical observation and experiment, the theoretical physicist applies the abstract relationships of mathematics to connect these facts and predict new facts
The Sciences
What is Heat?
We deal with it by means of mathematical abstractions which rest on the notions of disorder and energy. Presenting an explanation of these concepts together with a brief account of their origins...
The Sciences
Books
Physics 1900-1926: a review reflecting upon how past theories shape those of the future
The Sciences
Field Theory
The physicist speaks of classical fields and quantum fields. Exactly what are they, and what is their role in modern physics and in our present view of reality?
