I am a co-founder of PhysicsOverflow (www.physicsoverflow.org), where I am mostly active these days.
13 How exactly does inflation convert random gravity fluctuations into coherent gravitational waves? mar 24 '14
6 How can the life time of a multiple star system, such as for example the trinary system PSR J0337+1715 be derived? jan 10 '14
3 What are the concrete technical arguments supporting the idea that the wave function of the universe can be written as partition function? feb 14 '14
3 What does black hole evaporation correspond to in the accelerating universe / black hole analogy? feb 13 '14
2 How exactly can the hypothetical conformal invariance of the CMB spectrum be established by analyzing tensor modes? may 3 '14
1 Do the E and B modes of the CMB polarization have anything to do with electric and magnetic fields? mar 15 '14