it means that the energy you are concerned about is getting changed into energy not useful to you, like “waste” heat
What is waste heat and why is it less useful than any other form of energy? What’s the mechanism that changes useful energy into waste heat? These are some of the many of the questions you can still ask and find answers to, before you hit the limits of what is currently known.
Waste heat is an increase in entropy that doesn’t do something that we want it to. It differs from useful energy in that it has effects either irrelevant to or opposed to what we want.
Friction sometimes generates waste heat (as in the case where we want something to move) and sometimes generates useful work (as in the case where we want two things to stop moving relative to each other, and cause them to interact via friction to a common momentum.
The mechanism is electrical forces- given two crystal or ceramic matrices close to each other and moving, electrical forces near the interface cause electrons near the interface to enter different energy levels (heat). The electrons transfer the impulse to other particles in the same ceramic or crystal through other forces, slowing the relative movement of the macro objects.
Asking where gravity gets its power source is like asking where the electron gets its power source. After all, electrons exhibit a force on each of them, and so do baryons.
What is waste heat and why is it less useful than any other form of energy? What’s the mechanism that changes useful energy into waste heat? These are some of the many of the questions you can still ask and find answers to, before you hit the limits of what is currently known.
Waste heat is an increase in entropy that doesn’t do something that we want it to. It differs from useful energy in that it has effects either irrelevant to or opposed to what we want.
Friction sometimes generates waste heat (as in the case where we want something to move) and sometimes generates useful work (as in the case where we want two things to stop moving relative to each other, and cause them to interact via friction to a common momentum.
The mechanism is electrical forces- given two crystal or ceramic matrices close to each other and moving, electrical forces near the interface cause electrons near the interface to enter different energy levels (heat). The electrons transfer the impulse to other particles in the same ceramic or crystal through other forces, slowing the relative movement of the macro objects.
Asking where gravity gets its power source is like asking where the electron gets its power source. After all, electrons exhibit a force on each of them, and so do baryons.