dabydeen
51078
1183
51
https://www.scientificamerican.com/article/evidence-of-negative-time-found-in-quantum-physics-experiment/
Sep 30, 2024 10:09 PM
dabydeen
51078
1183
51
https://www.scientificamerican.com/article/evidence-of-negative-time-found-in-quantum-physics-experiment/
LaronX
Link to the (not yet peer reviewed) paper https://arxiv.org/abs/2409.03680
it is asking should, observations we already been making, be considered negative time. This will get ripped apart.
YuffieK
DerpMeister
Pfff, that is an old story that I have already heard tomorrow.
Dissipo
Interesting, these photons behave similarly to money; negative money to be precise.
ZeRootOfAllEvil
cyounghmfce
So is it possible to get MORE sleep ?
PowerPedant
So they've discovered thiotimoline?
Superchief86
Negative time usually starts around 8am on weekdays.
TimbiquiDarkThirty
This is what Prof. Thomas Kearny and Prof. Takayoshi Fuchida theorized back in 2018. But it wasn't until General Motors was able to get their nuclear fusion reactors on the market in 2020 that actual experiments could be done.
Unfortunately for the professors, they wouldn't be vindicated until the Deimos Project in 2107, where an unmanned vessel made the jump from Sol's gravitational zenith to its nadir. And in 2108 when TAS Pathfinder made the jump from Sol to Tau Ceti.
TimbiquiDarkThirty
conjuratio
Negative time is also known as doom scrolling
Ellisd83
lol gods work
FTUG
Reidsb
B2SteakSauce
“…the new study, which was uploaded to the preprint server arXiv.org on September 5 and has not yet been peer-reviewed”
DianNaoChong
I got $5 on calibration error
alexcoldt
In before it's a measurement error.
HapilyDamaged
far out man
itdweeb
No. Far back, man.
HapilyDamaged
BigIrv5151
Quantum mechanics is very strange.
RetrogradeLlama
Maybe yes, maybe no. It’s likely both.
gifworthy
Meow
Sebastopol140
Endocrom
"Damnit, Will, I'm not senile! It's anti-time! That's why it was bigger in the past!"
DukeDarkwood
Except that it was NOT there when Future Enterprise went to look for it - and, after they created it, they went back and it WAS there, which completely disregards the entire point of it being an anti-time anomaly!
Personally, I blame Q. Yes, he literally "a wizard did it"-ed events so that it would be possible for Picard to pass the test.
TheShoggothOfMosquitoCreek
Carl99
no audio. sad.
Fawin
This is referenced in the series finale of TNG.
IrrationalNumber
That was about tachyons. Particles that travel backwards trough time. This is about "negative distance" in time. Subtly different.
Fawin
No, they did use a tachyon pulse with the Pasture in the future causing a tear in time and the cloud was anti-time and it was like anti-mater and mater colliding. Time and anti-time were were colliding. Since it was anti-time it was bigger in the past and smaller in the future and would destroy everything. So all 3 Enterprise-Ds sacrificed themselves to close the rip with a field. It was a test by the Continuem to see if human could think 4th dimensionally and Q helped Picard along the way.
spiritplumber
https://en.wikipedia.org/wiki/Thiotimoline
Thorketil
Thank you.
Geogur
For the record, this does NOT mean they've proven negative time. This is just the result of one set of observations. Don't get behind yourselves.
JusticePhrall
(snort)
ireplywithtwinpeaks
I saw what you’ll do there
FoxxoniusAugustus
So like, cool but this feels like others will spend the next few years trying to reproduce it and they'll realize that the microwave was on in the break room for the first one and gave them a false positive.
tkwesa
In this case, a false negative time
Isgrimnur
Where can I invest in a flashdark?
MickeyCallahan
Just put a sack over their head.
TresusIbor
I'd love to fuck around with this.
CaldariBob
That would be a fleshdark.
SamaelQliphoth
Fleshdark: Cream into the Void
sorrynotsorry1tickettohellplease.jpg
Rufferstuff
saganworshipper
Hey. Join us. Bring snacks.
cousteau
One of my favorite quotes from Carl Sagan.
TheDaharMaster
Truly a visionary.
gifworthy
We truly are the stuff of stardust
astrangehop
How much of my hydrogen is big bang tho?
FelonyRaptor
Except for your mom. She's made of existing planets.
ThatRaccoonGuy
Are we the precursor race in The Outer Wilds? Destined to discover time travel, but it takes the energy of a dying sun to go back further than 0.0001 seconds?
RetrogradeLlama
We got stars to spare. I don’t see the issue.
mothermushroom
God what an excellent game.
Ohdearaudrey
I hope so, gonna start practicing the banjo now
BlairT1
Duddent zactky seem worth it now does it?
magerooster
Imagine how much energy it would take to go back 22 minutes.
SergeantTerryJeffords
I imagine you'd need a star to go supernova for that. Somebody should look into that
PballQhead
No.
The article points out the photons don't transmit any information, so they don't break causality. It's an interesting effect of quantum uncertainty, but it's not actual time travel, nor faster-than-light travel.
Thorketil
Dammit!
DukeDarkwood
Isn't this all tied to the whole particle/wave dichotomy? While photons appear to travel as a whole at light speed, in reality, some are going to be slightly ahead (and others, behind). Meaning that some are "technically faster than light" (and others slower), but for all practical (or, more accurately, Newtonian) purposes, the effect is identical to if they were a particle?
PballQhead
According to the article (I scoped the paper but it's so far beyond me it might as well be in Etruscan lol), this has to do with uncertainty – the photons don't exist in a fixed point in spacetime but rather a smeared-out region; it's possible for a photon at the far "forward" end of that blur to appear to emerge before the calculations say it should, but it's not really breaking any fundamental laws, let alone actually breaking the flow of time.
FoxyEllie
but what if we chain together millions of layers of this material and then release individual photons in a binary stream with photon receptors at the end?
PballQhead
Wouldn't matter since it's not actually breaking any fundamental laws or concepts, it's more or less just a neat trick that comes from the fuzziness of reality at very small scales. Time still moves forward, cause still precedes effect.
Brunitski
As a desperately uneducated in the field, but avid follower of physics news, it seems to me, in quantum physics at least, that where photons go, other particles tend to follow…. So maybe maybe….
PballQhead
As someone who has some education (albeit very rusty, it's been two decades since I took PChem II: Quantum Mech), nope.
Setting aside that photons aren't really like most other particles (massless, dimensionless, chargeless, spinless, predominantly governed by QM rules, yadda yadda), there's nothing rule-breaking about this behavior. It doesn't change our understanding of time, let alone hit the grand slam of violating causality (explaining that is beyond me lol)…it's really just a cool trick.
ThatRaccoonGuy
and then we activate a machine that sends data back in time to DEactivate itself, thus getting the paradox achievement
pyr0max
Wait wasn't this already published tomorrow?
INeedMoreGifMeMoreJustOneMore
It wasn't not published today.
ThatShiftyMonkey
Old news, already read it next week. Original publication contained the peer-reviewed replies to itself.
[deleted]
[deleted]
blackneomil
And it's absolute wank 😁
Kamchatkah
Depost. Upvoted.
NuclearMonk
It's an evil repost though. You can tell by the sinister goatee.
oldpotatoes
Duh, we're you born tomorrow or something? Get with the times man.
landisfloatingrock
And ends up a a twinkle in the author's eye
rbudrick
Wont this was be publish tommorrwed?
HandoB4Javert
Sunflier
richiWebKing
Information I could have used YESTERDAY!!!
TORQD
Yeah, which is odd because I distinctly remember reading it next week
pyr0max
Right? I get the timelines confused more and more. Must be my age? Or my youth?
ih8clickb8
Found the time cop! Take cover!
TsubakiTragic
shoot! Everyone in my timeline knows this.
HurricaneShade
Yesterday
MothMonsterMan
It will have is yesterday.
Gofdunk
The temporal pincer maneuver hasn't converged yet.
sharikov
WELCOME! TO THE WORLD OF TOMORROW!
WuProgress
Sebastopol140
!seY
pyr0max
uoᴉʇɐɯɹᴉɟuoɔ ǝɥʇ ɹoɟ sʞuɐɥ┴
Thorketil
I will be thrilled to discover this news tomorrow. Or the day after.
pyr0max
Or yesterday, or earlier. I always get confused because no-one can tel me how time works.
Jordan7831
I don’t know. Pretty sure I read it last week already
pyr0max
Right? I get the timelines confused more and more. Must be my age? Or my youth?
derschweiz
Next weeks headlines, yesterday!
cousteau
What if the photon doesn't make it to the material, e.g. because you cover it very quickly right after the photon gets out? Or does this only happen when the photon is somehow guaranteed to get in?
FlyingButtPliers
Sounds more like there would be 2 instances but not really? I don't get it at all, but if it exits before it enters, then the one you squish would be the one that comes out, not the one that goes in.
dabydeen
I think if the photon exits, there is no way to prevent its entry. At least that's what the oracle says.
cousteau
*tries to interpret oracle's prediction as advice*
*trying to avoid what oracle predicted causes what oracle predicted*
Oracle: "Called it!"
Thorketil
The photon would evade the cover and still enter the material.
theomni
That's the first part the headline gets wrong. They don't leave before entering. It's more like they leave immediately upon entering, even though the event that would allow them to leave hasn't happened yet. Trying to simplify, the photon charges up the material and then when the charge wears off that causes it to emit a photon. But sometimes it'll emit that photon before the charge wears off. (I haven't read the paper, and just a basic understanding of quantum physics, so I may be wrong)
theomni
(again based on my understanding) Generally accepted and observed behavior before this experiment: 1: Photons hits material, 2: material gets excited (I said charged, but 'charge' has a specific physics meaning and that doesn't apply here), 3: excitement wears off, 4: the wearing off of excitement emits a photon. This behavior had been observed, but not closely measured, so they tried to measure exactly how long it took. Upon close measurement, they found sometimes it went in order of 1, 2, 4, 3
cousteau
Well, the subtitle suggests 4 before 1 ("photons can seem to exit a material before entering it")
TakuanSoho
You know the drill
ricpaul
https://imgur.com/Q7ovdm3.jpg
jasondeslin
Was coming to say that, but SMBC truly said it best.
Link for anyone that wants it. https://www.smbc-comics.com/index.php?db=comics&id=1623#comic
prosper020
Thank you for supplying the sauce!
CaptainScarfish
1. Pre-print and not peer reviewed
2. It's a trick of measurement and math rather than actual time traveling photons
3. There's a LOT more to do to investigate this phenomenon before we start talking about assassinating Hitler
Carl99
More specifically it sounds like its a known quantum effect occurring in a place no one thought it would.
PosthumousExile
Something something, Hitler killed Hitler
Marikhen
Assassinating Hitler prior to his established death should be off the table. Either most of us cease to exist, the time travel tech almost certainly ceases to exist, and unless an object in time stays in time the paradox rips the killer out of reality and we go right back to where we are, or we create, or send the killer to, a parallel universe and see no benefit. Also, I'm sure someone's going to consider, "Well that universe is now in a better place," but that universe wouldn't have existed->
Marikhen
without our intervention so all their suffering, which more than outweighs any gains from Hitler being killed, is on us. Being slightly facetious there because we don't normally associate moral responsibility for the universe if we go left instead of right at a 3-way intersection, but this would be a case to consider as a deliberate choice with complicit knowledge along the many worlds theory, so...
To put it simply, it's never too soon to discuss assassinating Hitler and why it's a bad idea.