Bethesda Blog has posted a special diary from id Software co-founder John Carmack in which he discusses his work on Rage and id’s Tech 5 game engine. As reported at QuakeCon 2010, Carmack is developing plans to bring Rage and other games based on the Tech 5 engine to the iOS platform. Carmack’s notes reveal some interesting new information on the company’s first Rage-based iOS game. Carmack notes that during the QuakeCon demo he…