2003/10/01 by Carlo Rovelli · 1 voice · 4 citations
Physics and Astronomy · Medicine · #Noncommutative and Quantum Gravity Theories #Relativity and Gravitational Theory #Biofield Effects and Biophysics
paper · pdf · doi:10.1142/s0218271803004304
The debate between loop quantum gravity and string theory is sometime lively, and it is hard to present an impartial view on the issue. Leaving any attempt to impartiality aside, I report here, instead, a conversation on this issue, overheard in the cafeteria of a Major American University. The personae of the dialog are Professor Simp, a high energy physicist, and a graduate student, Sal. The Professor has heard that Sal has decided to work in loop gravity, and gently tries to talk her out. Here is what was heard.