https://www.telegraph.co.uk/science/201 ... ultiverse/
Aside from the blatant attempt to idolize the man after death, that comment is breathtaking alright, but not for the reasons that are specified in the article. What's breathtaking is the fact that it demonstrates just how impossible it is to falsify inflation theory and the LCMD model in general.Carlos Frenk, professor of cosmology at Durham University, told The Sunday Times: The intriguing idea in Hawking’s paper is that [the multiverse] left its imprint on the background radiation permeating our universe and we could measure it with a detector on a spaceship.
“These ideas offer the breathtaking prospect of finding evidence for the existence of other universe.”
Alan Guth claimed that his inflation hypothesis was supported by three specific observations.
Guth claimed that a *lack* of monopoles supported inflation which is exactly like claiming that a *lack* of unicorns supports young Earth creationism. A lack of one hypothetical entity absolutely cannot be used to support the existence of yet *another* hypothetical entity. That argument was simply ridiculous from the day that he made it.
The second piece of supporting evidence for inflation according to Guth was the 'flatness" of the universe, but Roger Penrose later demonstrated that it is 10 to the 100th power *less* likely that we'd end up with a flat universe with inflation than without out. So much for that claim too.
https://en.wikipedia.org/wiki/Inflation ... Criticisms
The last (and only semi-intact) observation left standing that supposedly supports inflation is the relative homogeneous layout of matter, leaving us with a nice smooth CMB after they manipulate the hell out it it. Aside from the fact that hemispheric variations and "holes" found by Planck already put that claim in jeopardy too, consider the ramifications of that breathtaking quote for a moment.
He's claiming that not only would variations from homogeneity *not* falsify inflation (the only thing left standing), it would somehow now A) support inflation *and* B) also lend support M-theory to boot! In short, there never *could* be any logical or rational way to falsify any aspect of LCMD theory because they'd simply move the goalposts yet again and away they would go with M-theory.
LCMD is the single dumbest theory in the history of physics. It's a complete metaphysical kludge that is utterly unfalsifiable in any logical way.