Cycles of Time
An Extraordinary New View of the Universe
by Roger Penrose · first published 2010
50% recommend50% neutral
"A groundbreaking book providing a new take on three of cosmology's most profound questions: What, if anything, came before the Big Bang? What is the source of order in our universe? What is the universe's ultimate future? Current understanding of our universe dictates that all matter will eventually thin out to zero density, with huge black holes finally evaporating away into massless energy. Roger Penrose--one of the most innovative mathematicians of our time--turns around this predominant picture of the universe's "heat death," arguing how the expected ultimate fate of our accelerating, ex
Affiliate links. As an Amazon Associate I earn from qualifying purchases.
Cycles of Time: An Extraordinary New View of the Universe by Roger Penrose. Listen the Sean Carrol's podcast with Roger Penrose, or read the transcript to get the general idea. https://www.preposterousuniverse.com/podcast/2019/01/07/epis...…
on “An Advanced Civilization Could Resist the Accelerating Expansion of the Universe” ↗…I think the physicists just can't be bothered, and/or they underestimate the intelligence of uninformed but curious laypeople. Roger Penrose is another example of a physicist who does this right, in Cycles of Time for instance.
on “Neutrino Particles May Be a Link to the Dark Sector” ↗Can also recommend Penrose's Cycles of Time: An Extraordinary New View of the Universe, for an interesting take on his own view of cyclic cosmology. https://en.wikipedia.org/wiki/Cycles_of_Time
on “'Mind Over Matter': Stephen Hawking – Obituary by Roger Penrose” ↗Roger Penrose has really mind-bending observation and theory about the time past heat death in the 'Cycles of Time'. After 10e100 years when there is only massless particles like photon's left and black holes have evaporated, time essentially stops existing. Photons, gluons and gravitons just go without any new events…
on “Timeline of the Far Future” ↗> It's easier to impress a TED audience than your peers. this seems like a perspective on a problem with pure theoretical research. like why print "Cycles of Time" instead of publishing in a peer reviewed journal? is Penrose being disingenuous or is he just trying to share an idea he finds interesting even if reasonably speculative? the EPFL result is interesting…
on “Scientists discover hidden patterns of brain activity” ↗I tried to understand Roger Penrose's arguments about this in his book "Cycles of Time". I admit that I really struggled! But the idea seems to be that the initial state of the universe is very unusual compared with the rest of eternity and is essentially 1 vs nothing - and then differentiation…
on “In the fundamental physics of the world, there is neither space nor time” ↗You're in good company. Something similar, minus the hydrogen phase, is proposed by Roger Penrose: https://en.wikipedia.org/wiki/Cycles_of_Time
on “Universe expected to decay in 10⁷⁸ years, much sooner than previously thought” ↗