Are we the same age as the universe

This is mind bending fact that reflects philosophical aspect. This needs to be explained.

First Law of thermodynamics and the age of universe

First law of thermodynamics also known as law of energy conservation which states that energy can be neither created nor destroyed and it can be only transferred from one form to another. So, today the energy is the same as the beggining of universe.

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Then Einstein theorized mass-energy equivalence. so, matter is also form of the energy.