What is the proof of constant energy in the universe?
2377
Is the total energy of the universe zero?
82001
How to prove the function is a constant
106211
Is the universe isomorphic to a universal turing machine?
79614
Many-worlds: Where does the energy come from?
68284
Is the law of conservation of energy still valid?
29426
Is there a proof of existence of time?
137052
What is pure energy?
50289
The vacuum light speed: Is it really constant, i.e., independent of location in space-time?
141474
Prove the Total Mechanical Energy of the System is Conserved via Differential Equations
38615
How do you prove the second law of thermodynamics from statistical mechanics?
131166
Kinetic energy as $\pi k_B T$
110021
extracting energy from cosmological expansion
105700
Proving $\,f$ is constant.
100760
How do we know that radioactive decay rates are constant over billions of years?
13080
Why is the cosmological constant a scalar?
144945
What is the evidence for Inflation of the early universe?
57428
Physical Interpretation of Planck's Constant