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"So this book... [is] my personal quest for the ultimate nature of reality."
M
Max Tegmark"Here... is the Schrödinger equation [i \hbar \frac{d}{d t}\vert\Psi(t)\rangle = \hat H\vert\Psi(t)\rangle]... and what its actually saying is that the state of the world, thats this Greek letter Ψ there with the bracket around it... Its saying that the rate of change of it... depends on the current state of the world, when you do this operation on it and for the math nerds, this is a linear operation... and what that just means is, as Everett has pointed out and many others have known for a very long time is that, in some circumstances, two different solutions to this can do their parallel thing. We can talk at... length about the discoveries... about decoherence and why it is that sometimes these different parallel branches are unaware or each other, but my point is... if you give a science nerd colloquium... at a physics department... ideally, you should also start in the same way you start discussing this with your grandma. Just at a very high level... here are the cool ideas, and then you can go as deep as the audience or the listener wants, from there."
Max Tegmark is a Swedish-American physicist, machine learning researcher and author. He is a professor of physics at the Massachusetts Institute of Technology. He co-founded and leads the Future of Life Institute, a nonprofit focused on reducing global catastrophic risks from advanced technologies.
"So this book... [is] my personal quest for the ultimate nature of reality."
"Eratosthenes... knew that the Sun was straight overhead in... Syene at noon on the summer solstice, but that it was 7.2 degrees south of straight overhead in , located 794 kilometers farther north. He concluded... 794 kilometers corresponded to 7.2 degrees out of the 360 degrees... around Earths circumference, so that the circumference must be... 39,700 km..."
"Imagine all the food you have eaten in your life and consider that you are simply some of that food, rearranged."
"Theres no better guarantee of failure than convincing yourself that success is impossible..."
"We have to get away from this idea today with some fact-checking sites which might themselves have an agenda and you just trust it because of its reputation. You want to have these sort of systems [where] they earn your trust and that is completely transparent."
"So with each advance in understanding come new questions. So we need to be very humble. We shouldnt have hubris and think that we can understand everything. But history tells us that there is good reason to believe that we will continue making fantastic progress in the years ahead."