Ethan Siegel: Why does empty space have the properties that it does? Why is the zero-point energy of the fabric of the Universe a positive, non-zero value? And why does dark energy have the behavior we observe it to have, rather than any other?
Siegel: In order for inflation to end, that energy has to get converted into matter and radiation. The evidence strongly points to that happening some 13.8 billion years ago.
Ethan Siegel: Even the most successful scientific theories imaginable will, by their very nature, have a limited range of validity. But we can theorize whatever we like, and when a new theory meets the following three criteria…
But don’t fret that a better understanding of the universe will leave entertaining crackpots out in the cold. Won’t happen. Can’t. Ethan Siegel explains why, in part.
It’s quite clear that Siegel’s objection to the idea of a beginning to the universe is philosophical. Most of the nonsense one hears, generally, can be traced to unwillingness to admit that.
Absent the Principle, says astrophysicist Ethan Siegel, “most horrifically, carbon-based organic compounds — the building blocks of all life as we know it — would be an impossibility for us.”
But wait! There might be an infinity of multiverses in which you are not unique. This is the only one in which your head has not exploded.
An astrophysicist dismisses the concerns as “ideologically-driven diatribes.”
So here’s where it stands: They’re compelled to stumble and make up nonsense and the rest of us are compelled to support them, cheer them on, and accept the dismal outcome, forever if need be.
He goes through the usual potted history of life on Earth, omitting (they always do) to notice that the human mind is a quite different sort of development than, say, sexual reproduction or flight. It’s the mind that prompts us to even ask questions about ET, yet no one has any idea what consciousness even is.
You should be suspicious of any science claim that could have been thought up as a sheer work of the imagination. The multiverse is just such a concept: Somewhere, everything and its opposite happens or doesn’t, in an infinity of infinities. No math needed.
Theories multiply because the facts favor fine-tuning of the universe.
According to astrophysicist Ethan Siegel: Personally, I don’t expect these direct detection attempts to be successful; we’re stabbing in the dark hoping we hit something, and there are little-to-no good reasons for dark matter to be in these ranges. But it’s what we could see, so we go for it. If we find it, Nobel […]
We are told: “Wherever you look in the cosmos, things don’t seem to add up.” And now physicists like Sabine Hossenfelder are accused of cheating: Ethan Siegel, astrophysicist-blogger behind Forbes’ Starts With a Bang! blog, responded with a post titled “There’s A Debate Raging Over Whether Dark Matter Is Real, But One Side Is Cheating.” […]
It’s becoming obvious that post-modern science will have its multiverse irrespective of evidence from nature and will prefer it and its component beliefs to evidence from nature. That is why some of us think that the multiverse is science’s assisted suicide.