Importance Score: 72 / 100
Physicists Reassess Fundamental Nature of Space and Time
Nineteenth-century physicists operated under the assumption that space and time were ...
More » https://newsflash.one/2025/04/08/space-could-emerge-from-time/?feed_id=923587&_unique_id=67f5c0f202e58
PS: For a beautifully clear (and delightfully mind-bending!) explanation of what might have existed before the Big Bang, check out PBS Space Time’s fantastic episode, "What Happened Before the Big Bang?" hosted by astrophysicist Matt O’Dowd. Highly recommended as a thoughtful companion to this thread! 
Watch it here on PBS Space Time https://www.pbs.org/video/what-happened-before-the-big-bang-y76rlj/
A rare cosmic phenomenon called an #Einstein ring.
There are two galaxies, separated by a large distance. The foreground galaxy is at the center, while the background galaxy appears to be wrapped around the closer galaxy, forming a ring.
The light from the more distant object is bent about a massive intermediate object because #spacetime, the fabric of the #Universe itself, is bent by mass, and therefore light travelling through #space and #time is bent as well.
https://www.esa.int/ESA_Multimedia/Images/2025/03/Webb_spies_a_spiral_through_a_cosmic_lens
2/2…or #Spacetime if you prefer. Unfortunately they look different and possibly are from somewhere else. Also interestingly they seem to be becoming less and less reticent about demonstrating those performance capabilities to our latest detection technologies.At this point the evidence is hard to ignore. We probably don’t need a new accelerator. All of the challenges in this current situation encompass our inability to get over ourselves, literally.
Today's #AWAD #AWordADay: ELSEWHEN
with Anu Garg
❛❛ Unlike a #BlackHole — a region of #SpaceTime from which you cannot escape if you get too close — a #Wormhole is a region into which you would disappear only to reappear #elsewhere or #elsewhen. ❜❜ 2001 May 20 #WaPo
https://Wordsmith.org/words/elsewhen.html 2025 Jan 06 https://Wikipedia.org/wiki/Anu_Garg … #AnuGarg
The black hole information paradox has puzzled physicists for decades.
New research shows how quantum connections in #spacetime itself may resolve the #paradox, and in the process leave behind a subtle signature in gravitational waves.
Th7s menas that spacetime around black holes would carry tiny little perturbations that aren't entirely random; instead, the variations would be correlated with the #information inside the black hole.
#physics #cosmology #astronomy
https://phys.org/news/2024-12-quantum-black-hole-paradox.html
Thought Experiments That Fray the Fabric of Space-Time
https://www.quantamagazine.org/the-thought-experiments-that-fray-the-fabric-of-space-time-20240925/
https://news.ycombinator.com/item?id=41908541
Interesting set of Quanta articles today
Clue to Quantum Gravity Sits on Surfaces of Black Holes
https://www.quantamagazine.org/the-1-clue-to-quantum-gravity-sits-on-the-surfaces-of-black-holes-20240925
If Universe Is a Hologram This Math Could Decode It
https://www.quantamagazine.org/if-the-universe-is-a-hologram-this-long-forgotten-math-could-decode-it-20240925
Can Space-Time Be Saved?
https://www.quantamagazine.org/can-space-time-be-saved-20240925
Two Faces of Space-Time
https://www.quantamagazine.org/the-two-faces-of-space-time-20240925
...
Gravity isn’t some "invisible hand" pulling things from afar! Instead, massive objects (like planets and stars) bend the *fabric of space and time* , and everything moves along those curves! Think of it like a ball on a mattress 
, causing everything nearby to roll toward it. So, we’re all just sliding along space-time’s curves! 
.
ji kū kan is the the japanese term for #spacetime. #gravitationalwaves stretch and squeeze space-time and my #album is made solely of them...close your eyes and feel sound, texture and the tide flowing over your body...album release is September 14th...
#gravitationalwaves squeeze and stretch #spacetime, the fabric which surrounds us. My album
ji kū kan, the japanese term for #spacetime will stretch and squeeze your body...close your eyes and feel sound, texture and the tide flowing over you
Feel it on my new album -> https://callitanythingrecords.bandcamp.com/album/ji-k-kan
2024-08-21 - Illustration - Doucheur
Attention, mettre une couverture très douce chargée sur le chat peut provoquer d'étranges distorsions temporelles et spatiales.
Un peu tôt pour se réchauffer mais je sens que l'hiver va arriver très vite !
~3h15, marqueurs alcool, A7
Personnage - Carbonacat
ALBUM alert! I will release an album on #CallItAnythingRecords (@QBRNTHSS) Sept 14th!!! Pre-listen/pre-order now! Limited edition cassette available!
https://callitanythingrecords.bandcamp.com/album/ji-k-kan
All tracks are based purely on #GravitationalWaves from @LIGO/VIRGO/GEO600(@mpi_grav). Using #livecoding, I create an experimental soundscape that will stretch and squeeze #spacetime + your body.
Simulation of gravitational waves f. failing warp drive 
https://www.sciencedaily.com/releases/2024/07/240730134858.htm
* spaceships driven by compressing 4D spacetime theor. poss.
* "warp drives" possible based on concrete descriptions in general relativity
* study simulates gravitational waves such a drive might emit
What no one has seen before: gravitational waveforms from warp drive collapse
https://astro.theoj.org/article/121868-what-no-one-has-seen-before-gravitational-waveforms-from-warp-drive-collapse
This video does BY FAR the best job I have ever encountered of explaining how String Theory works and how it correlated with Heisenberg's uncertainty principle.
This is part 2 of Astrum's "Theory of Everything" series. If not the whole series, at least watch this episode -- it blew me away, and I had a mildly decent grasp of String Theory going in.
Ah okay, this is cool. I mean, I barely understand this stuff. But it's cool, eh? 
#Space #Physics #SpaceTime #Astrophysics #Astrodon #PBS #Cosmos https://www.youtube.com/watch?v=HRir6-9tsJs
@georgetakei logical, captain.
As the bird population increases: so does the ability of the cat to reach westerly coordinates.
The vast #galaxy cluster SDSS J1226+2152 in the constellation Coma Berenices is distorting the images of distant background #galaxies into streaks and smears of light in this image from the #JWST.
This is a spectacular example of gravitational lensing, a phenomenon which occurs when a massive celestial object such as a galaxy cluster deforms #spacetime and causes the path of light from more distant galaxies to be deflected.
#astronomy #astrophotography
https://esawebb.org/images/potm2312a/
See, it really is wibbly wobbly timey wimey
