The Life We Have On Earth Must

Chaos, When Left Alone, Tends To Multiply.

If The Rate Of Expansion One Second After The Big Bang Had Been Smaller By Even One Part In A Hundred Thousand Million Million, It Would Have Recollapsed Before It Reached Its Present Size. On The Other Hand, If It Had Been Greater By A Part In A Million, The Universe Would Have Expanded Too Rapidly For Stars And Planets To Form.

We Have Made Remarkable Progress In The Last Hundred Years, But If We Want To Continue, Our Future Is In Space.

It [ai] Would Take Off On Its Own And Redesign Itself At An Ever Increasing Rate. Humans, Who Are Limited By Slow Biological Evolution, Couldn't Compete And Would Be Superseded.

One Might Think This Means That Imaginary Numbers Are Just A Mathematical Game Having Nothing To Do With The Real World. From The Viewpoint Of Positivist Philosophy, However, One Cannot Determine What Is Real. All One Can Do Is Find Which Mathematical Models Describe The Universe We Live In. It Turns Out That A Mathematical Model Involving Imaginary Time Predicts Not Only Effects We Have Already Observed But Also Effects We Have Not Been Able To Measure Yet Nevertheless Believe In For Other Reasons. So What Is Real And What Is Imaginary? Is The Distinction Just In Our Minds?