In my seventh world-building journal entry, I reveal the tawdry facts about the origins of time travel. Time travel did not just happen. There were people with motives and human foibles who changed the world and created the time-traveling ARISA. Here is where to get the sordid details.
You can navigate to this entry from the list in The Journals of Eric Stapleton or directly via Journal: Shaking the Four Pillars of the Arisa
Enjoy!