Did the early universe violate the 2nd law of thermodynamics?
18026
How can it be that the beginning universe had a high temperature and a low entropy at the same time?
39654
When they say that the universe cooled after the big bang, where did the heat go?
38615
How do you prove the second law of thermodynamics from statistical mechanics?
112264
Cosmological constant doubts
98455
Twin Paradox: Still a Paradox?
113659
Why was the universe in an extraordinarily low-entropy state right after the big bang?
1615
Do the laws of physics evolve?
2377
Is the total energy of the universe zero?
95879
Other explanation for cosmological redshift?
92674
Could spontaneous symmetry breaking happen again in our universe?
81495
Does the universe have a different age to different observers?
70734
Entropy and the principle of least action
62359
Contradiction between law of conservation of energy and law of conservation of momentum?
68425
Electric charge neutrality of the Universe: evidences and theories
107971
Hubble's law and conservation of energy
110030
Superluminal expansion of the early universe how is this possible?
119880
Integrating factor $1/T$ in 2nd Law of Thermodynamics