In physics the term exchange force has been used to describe two distinct concepts which should not be confused.
Read more about Exchange Force: Exchange of Force Carriers in Particle Physics, Exchange Interaction and Quantum State Symmetry
Famous quotes containing the words exchange and/or force:
“Even if you find yourself in a heated exchange with your toddler, it is better for your child to feel the heat rather than for him to feel you withdraw emotionally.... Active and emotional involvement between parent and child helps the child make the limits a part of himself.”
—Stanley I. Greenspan (20th century)
“We do not wish to injure you.... But if you again plunge your knives into the breasts of our people, I shall send a force which will severely punish you for your cruelties.”
—Andrew Jackson (1767–1845)