esti f (plural estis) 1  Alternative form of. â 2 estiâ in le TrÃ©sor de la langue franÃ§aise informatisÃ© (The Digitized Treasury of the French Language).
Frame dragging is a theory which says that space is elastic, and particles in it will exchange energy with it. In the scientific world, elastic means that when you apply a certain amount of force to an object (which will cause it to bend) and then remove the force, the object will return to its original shape and energy state.
Comparison of displacement and acceleration for a Scotch yoke compared with a crank and slider. The Scotch yoke (also known as slotted link mechanism) is a reciprocating motion mechanism, converting the linear motion of a slider into rotational motion, or vice versa.