Ab initio: "From the beginning."

It's a term used in science to describe calculations that rely on established mathematical laws of nature, or "first principles," without additional assumptions or special models. But when it comes to the phenomena that Milos Milosavljevic is interested in calculating, we're talking really ab initio, as in from the beginning of time onward. Things were different in the early eons of the universe. The cosmos experienced rapid inflation; electrons and protons floated free from each other; the universe transitioned from complete darkness to light; and enormous stars formed and exploded to start a cascade of events leading to our present-day universe. To read further, please visit https://www.tacc.utexas.edu/news/feature-stories/2014/heavy-metal-in-the-early-cosmos.