Warp Stresses in Real Time was periodical literature, an electronic English language publication in the 23rd century. It was a scientific journal about warp drive engineering.
History and specifics[]
Montgomery Scott liked to read this journal, and was scanning through an issue in his quarters one evening in 2277 when he was interrupted by a visiting Hikaru Sulu. Scott offered him some Triacus pod wine and a Rigellian dorf. (TOS - Star Trek II Short Stories short story: "Wild Card")