https://www.coasttocoastam.com/show/2022-03-27-show
This world & the cosmos is a very ancient & mysterious place. The notion that space might be composed of parallel-universes is mind-boggling for many people.
The Many-worlds_interpretation of reality is as vast as it implies.
https://plato.stanford.edu/entries/qm-manyworlds
Throughout the ages, people have described what appears to be ghosts that walk through walls or simply vanish. UFOs that zip around, hover or seem to blink out of this reality.
https://www.scientificamerican.com/article/unidentified-aerial-phenomena-better-known-as-ufos-deserve-scientific-investigation/
It's all part of the UFO-ET-UAP intersection of technology, consciousness and energy.
https://www.smithsonianmag.com/air-space-magazine/ufos-uapswhatever-we-call-them-why-do-we-assume-mysterious-flying-objects-are-extraterrestrial-180978374
If intelligent life started to mature on other worlds millions of years ago, then all sorts of ET beings & A.I. tech might be exploring.
https://www.discovermagazine.com/the-sciences/three-totally-mind-bending-implications-of-a-multidimensional-universe
Sean Carroll explains: what is the many-worlds interpretation? https://www.youtube.com/watch?v=t_xqNDII--Q
The human perception of reality is still essentially from an earth based perspective.
https://www.quantamagazine.org/why-the-many-worlds-interpretation-of-quantum-mechanics-has-many-problems-20181018/
Parallel Worlds Probably Exist. Here’s Why https://www.youtube.com/watch?v=kTXTPe3wahc , https://www.youtube.com/c/veritasium/videos
https://thereader.mitpress.mit.edu/the-many-worlds-theory
The Many Worlds of the Quantum Multiverse | Space Time | PBS Digital Studios https://www.youtube.com/watch?v=dzKWfw68M5U
If the Cosmos contains more than one Universe, then the Multiverse concept attempts to connect some of the dots and larger data-points.
The Multiverse Hypothesis Explained by Neil deGrasse Tyson https://www.youtube.com/watch?v=h6OoaNPSZeM
https://www.livescience.com/multiverse
The Multiverse Hypothesis Explained by Brian Greene https://www.youtube.com/watch?v=GzPqDVU9nCg
https://en.wikipedia.org/wiki/Multiverse#Classification_schemes
Ghosts, demons & monsters are usually dismissed by many people. As are UFOs & UAP technology, because its not suppose to be real. According to who?
https://www.travelchannel.com/interests/haunted/articles/13-celebrities-who-have-had-paranormal-encounters
https://www.usmagazine.com/celebrity-news/pictures/celebrity-ghost-stories-stars-supernatural-encounters-scary-20142110
https://people.com/celebrity/10-celebs-who-have-had-actual-ghost-encounters
https://en.wikipedia.org/wiki/Paranormal_TV
https://en.wikipedia.org/wiki/Celebrity_Ghost_Stories
https://www.aetv.com/shows/celebrity-ghost-stories
https://en.wikipedia.org/wiki/Carl_Sagan#UFOs
https://en.wikipedia.org/wiki/Contact_(novel)
If one is very skeptical about almost everything then perhaps reading, The_Demon-Haunted_World will suffice.
However, if one is very curious about the nature of reality (TNOR) then perhaps these books might be of interest. The_Goblin_Universe and The_Holographic_Universe are fantastic entertaining and mind expanding books.
https://medium.com/inside-the-simulation
https://desertshapes.blogspot.com/search?q=Ghosts
https://desertshapes.blogspot.com/search?q=ET
https://paranormal-intersection.blogspot.com/search?q=ET