“ According to the general theory of relativity, a clock will go faster the higher the gravitational potential of the location where it is located, and during partial process 3 U2 happens to be located at a higher gravitational potential than U1." U2 is in fact not at a higher gravitational potential than U1 during partial process 3, since partial process 3 occurs after the gravitational field has switched, accelerating bodies toward the positive x-direction. ”

“ I just have one slight worry. I assume there is already a translation, published in the volume of the Einstein Papers Project that the original 1918 article was published in. I assume that this translation is copyrighted. Can you confirm that your edits did not make the wiki-source translation identical to the Einstein Papers translation? I assume that copying the Einstein Papers translation would constitute copyright infringement. ”