Is is true that if you could see and track every atom there is, you could see the entire history of the universe?

https://www.youtube.com/watch?v=yWO-cvGETRQ

Is is true that if you could see and track every atom there is, you could see the entire history of the universe?

I thought that when matter is changed through chemical or physical phenomena, some information would be permanently lost at certain point, but the video seems to suggest otherwise. How true is that?