3 papers
physics.gen-ph2007
On the concept of relativistic mass
Peter M. Brown
Within the past fifteen years the use of the concept of "relativistic mass" has been on the decline and has been replaced by the concept of "proper mass" (aka "rest mass") - ?simpl…
physics.gen-ph2003
A simple derivation of E = mc^2
Peter M. Brown
Einstein's 1905 derivation of E = mc^2 has been criticized for being circular. Although such criticisms have been challenged it is certainly true that the reasoning in Einstein's o…
physics.gen-ph2002
Einstein's gravitational field
Peter M. Brown
There exists some confusion, as evidenced in the literature, regarding the nature of the gravitational field in Einstein's General Theory of Relativity. It is argued here the this…