Kinetic Quotes (2 quotes)
Engineering is the science of economy, of conserving the energy, kinetic and potential, provided and stored up by nature for the use of man. It is the business of engineering to utilize this energy to the best advantage, so that there may be the least possible waste.
The kinetic concept of motion in classical theory will have to undergo profound modifications. (That is why I also avoided the term orbit in my paper throughout.) We must not bind the atoms in the chains of our prejudicesto which, in my opinion, also belongs the assumption that electron orbits exist in the sense of ordinary mechanicsbut we must, on the contrary, adapt our concepts to experience.