some heat is always wasted when converting heat into mechanical energy. In other words

all heat can not be completely converted into mechanical energy. Another states that heat

normally flows from high to low temperatures. So why do hot cups cool off, well the

answer lies in the fact that the universe is expanding. Say the universe started off infinitely

small and infinitely dense, then expanded at an exponential rate as fluctuations in density

increased, eventually forming galaxies. This explanation of the universe would explain the

existence of the thermodynamic arrow of time. Because the universe is expanding,

disorder is increasing. It can't be stopped. No one and nothing is powerful enough to

break the laws of thermodynamics. Albert Einstein once said, "Thermodynamics is the

only physical theory of general nature of which I am convinced that it will never be

overthrown." If you want to know what's going on in the physical world, y

meanings turns out to be one of the strongest discoveries to science known today. If

and lifted onto the table next to you after you have just knocked it off, you know what is

measure time in the direction in which disorder increases.

things have the slight probabilities to go in reverse, although they have a tendency to go

at least one physical process that is truly irreversible. Once the process is found, it will

either be responsible for the moving forward of time or it will lead us to the physical

makes sense that there is a greater chance for the Pepsi to stay warm or the food to stay in

Some common words found in the essay are:
Einstein Thermodynamics, Law Thermodynamics, law thermodynamics, mechanical energy, slight probabilities, universe expanding, slight probabilities reverse, thermodynamic arrow, form energy, universe started, expanding universe, disorder increases, onto table,
Approximate Word count = 724
Approximate Pages = 3 (250 words per page double spaced)