New Experiment at CERN to look for “hidden” particles

[@alieninmybeverage]

As a potential ghost in 2030, this is an invasion of my privacy.

[@Jossandoval]

You talk as if we still have privacy to be invaded.

[@alieninmybeverage]

@@Jossandoval ... occupation of my privacy, then?

[@christopherellis2663]

Schrodinger Cat is in two minds about this

[@Jack_Redview]

@@Jossandovallol speak for your self, some of us take a lot more precautions than others

[@borttorbbq2556]

​@@Jossandoval Call we have privacy... barely

[@timmolzberger537]

Ahhhh, nice to see some coverage for our lovely detector! I'm from the SHiP collaboration and worked on the electronics for detector - and boy, this will be fun. Thank you for covering our work!

[@calvinjonesyoutube]

Sabine, when i heard this story i thought, how can they write a piece that tells me, a scientifically literate person no clue what they are talking about. I eventually found that same experiment website. I then wondered if you would make a nice little video about it improving on the story and enlightening us all. So glad you got to it and glad i wasnt alone in being puzzled by the story.

[@PenguinDT]

Of course they're using proton beam to catch "ghosts". Life imitates art again.

[@Mevi]

Don't cross the streams

[@DJWESG1]

The new one just come out in cinemas

[@MiltonRoe]

One imagine that the scientists naming this project were well aware of that movie reference. Pretty clever.

[@Lee_River]

Who you gonna call? CERN!

[@jeffryborror4883]

Wavelength the size of a galaxy! Now that wave function collapse would be spooky action at a serious distance. That guy's head would bobble off his body.

[@tenbear5]

hahahaha 😂

[@aqdrobert]

That would need one huge CB antenna, good buddy. Keep your shiny side up, and your dark matter down.

[@Posesso]

golden

[@gubx42]

These are ghost particles, of course they are spooky.

[@andrewclimo5709]

Indeed.

[@NathanJayDog]

I’m glad that I can come to your channel with my first thoughts, and you have many more on top of that which make me feel simultaneously smart for being curious and then stupid for realising I wish I knew more. Thank you!

[@DrJ3RK8]

Absolutely LOVE the way everything is phrased in this video. :) As always, thank you! It also occurs to me when watching particle physics related videos how well researched (even if far fetched and fictional) much of the writing for Ghostbusters was. ;)

[@trekguy66]

Always check the couch cushions first.

[@rwarren58]

A Heinlein man? Smart.

[@ITisandiamIT]

:) Good one!

[@yakirfrankoveig8094]

Then proceed to check everyehre else only thatn can you check the couch again to find it there

[@DrVictorVasconcelos]

Sabine, I used to comment on all your videos. As a psychometrician I feel we have quite a bit in common with physics (the whole measuring "invisible" things). Anyway, I can't do that anymore-you're on a roll these days. Thank you.

[@SabineHossenfelder]

👋 Good to see you here!

[@Posesso]

To me, it's quite a human faith restoring thing that felt compelled to comment that. Thanks

[@someone3195]

​@@SabineHossenfelder Hello Sabine, in your other video, you mentioned that you think most of the research done in your field, was BS. Do u also think this way ab the research at CERN?

[@steveellis2829]

I'm just glad they're not looking for hidden Tachyons - That acronym would have to be re-thought!

[@SiqueScarface]

You are talking about the Baryon Utilizing Large Lasso to Search for Hidden Tachyons?

[@steveellis2829]

@@SiqueScarface Yes well spotted! Although I would imaging we're also talking Capture Radius Aperture Protocol.

[@SiqueScarface]

@@steveellis2829It could be Well Oriented Research into Singular Events.

[@Al-cynic]

@@steveellis2829 The whole time the video was going, I was looking for a synonym of particle that begins with T.

[@jamesdriscoll_tmp1515]

Fermi Radius Axion Universal Detector Baryon Organic Galvonometric Uranium Sensor Comprehensive High Energy Accumulator Project Big Array of Retroreflective Flashlights Interactive Near Field Anisotropic Neutron Transmutation Indicator of Left handed Electrons Plenipotent Obtuse Obfuscative Publication Syndicate Any sense made is purely accidental. Just acronaming. 😅

[@FxTR22]

Sabine: Can we please stop calling them "ghosts"? Scientists: ok, lets call it "Magic"

[@Bildgesmythe]

Never let scientists name anything.

[@jackthetford7558]

Awesome work, Sabine!

[@ucantSQ]

I commend the BBC for avoiding the phrase "dark matter." I was just complaining yesterday that "dark matter" is the headline of every mystery of physics. Ghosts makes me stop and scratch my head.

[@sjzara]

But aren’t they always looking for hidden particles? If the particles weren’t hidden, we wouldn’t need to look for them.

[@edwardlulofs444]

No, you can’t get money by saying that you want to look for particles. You need something specific that many bureaucrats and scientists think is a good use of money. The days of just looking for things ended decades ago.

[@Lund.J]

When a "particle" is spread out, like a densification of "aether," covering a wide area, like a waveform in a medium, and this is its ("particle's") coarsest possible state, then how could it be measured ? It is present; it is "dark", but unmeasurable (like "aether"). It is easier to say that: "It does not exist" (AS PARTICLE). It is a local quality of space rather than a particle. If, for example, we imagine that the "cosmological constant" has a local variation or transformation, how could it be measured ?

[@D1N02]

@@Lund.Jor how do you get away with calling it a particle at all :p

[@bjornfeuerbacher5514]

They aren't only looking for hidden particles. They also are examining the properties of the known particles more closely.

[@edwardlulofs444]

@@bjornfeuerbacher5514 those are usually funded.

[@aupotter2584]

I think it's indeed the best way to describe dark matter as ghost because nobody ever has a glimpse of it, and maybe I can finally interact with it after becoming a ghost upon my death years later lol... 👻

[@seriousmaran9414]

And it might not even be real, although what is these days? 😊

[@shawns0762]

Dark matter is dilated mass. G.R predicts dilation not singularities. In the 1939 journal "Annals of Mathematics" Einstein wrote - "The essential result of this investigation is a clear understanding as to why the Schwarzchild singularities (Schwarzchild was the first to raise the issue of G.R. predicting singularities) do not exist in physical reality. Although the theory given here treats only clusters (star clusters) whose particles move along circular paths it does seem to be subject to reasonable doubt that more general cases will have analogous results. The Schwarzchild singularities do not appear for the reason that matter cannot be concentrated arbitrarily. And this is due to the fact that otherwise the constituting particles would reach the velocity of light." He was referring to the phenomenon of dilation (sometimes called gamma or y) mass that is dilated is smeared through spacetime relative to an outside observer. It's the phenomenon behind the phrase "mass becomes infinite at the speed of light". A graph illustrates its squared nature, dilation increases at an exponential rate the closer you get to the speed of light. A "time dilation" graph illustrates the same phenomenon, it's not just time that gets dilated. Dilation will occur wherever there is an astronomical quantity of mass because high mass means high momentum. There is no singularity/black hole at the center of our galaxy. It can be inferred mathematically that dilation is occurring there. In other words that mass is all around us. This is the explanation for galaxy rotation curves. The "missing mass" is dilated mass. Dilation does not occur in galaxies with low mass centers because they do not have enough mass to achieve relativistic velocities. To date, 6 very low mass galaxies including NGC 1052-DF2 and DF4 have been confirmed to show no signs of dark matter. This also explains why all planets and all binary stars have normal rotation rates, not 3 times normal. The concept of singularities is preventing clarity in astronomy. Einstein is known to have repeatedly said that they cannot exist. Nobody believed in them when he was alive including Plank, Bohr, Schrodinger, Dirac, Heisenberg, Feynman etc.

[@shawns0762]

@@never2yield20 Einstein's reasoning on why singularities do not exist is solid as a rock. Television and movies popularized singularities beginning in the 1960's. The recent discovery that very low mass galaxies have predictable star rotation rates is virtual proof that dark matter is dilated mass.

[@shawns0762]

@@never2yield20 Dilation will occur wherever there is an astronomical quantity of mass. The centers of very high mass stars and the overwhelming majority of galaxy centers should be dilated

[@rywilk]

I'm glad I wasn't the only one confused by those headlines; it took me a while to figure out what "ghost particles" was referring to.

[@carlbrenninkmeijer8925]

I think that in 5 years they have a nre project called Search for Hidden Targets.

[@WhatWhy42]

Nre?

[@Jill.Carter.]

Wow. Most of us just search for Easter eggs at this time of year.

[@ispamforfood]

Interesting stuff! Thanks Sabine!

[@MorgDragon]

I saw a video talking about "rogue" planets that are wondering around the galaxy (and presumably all galaxies). It was postulated that there are a lot more of these "dark" planets out there then we thought and this could even be the source of dark matter. the idea was that if there were enough planets without stars to orbit around, they would be very dark and hard/impossible to detect, but would add up to a large gravitational force. did you ever think of doing a video on this idea? thanks Sabine for all the hard work on your videos. i really enjoy them.

[@nickcarroll8565]

Not that it isn’t possible, but there would have to be an absurd number of them to be the entire cause of dark matter.

[@frankcl1]

Stars are just so massive compared to planets, if dark matter is 80% of all mass in galaxies can you imagine how many planets it would represent?

[@carlsderder]

The point with dark matter is that what we observe is that it has a gravitational effect, but it doesn't interact with electromagnetism or weak and strong nuclear. If there were just many planets that we can't see, we indeed would see these gravitational effects, but we would also see more effects appart from gravity. That is all the point with dark matter and its difference with normal matter, it is not just normal matter that is in a dark place.

[@Ryanisthere]

ive already seen several conspiracy theorys about how cern is gonna open the demon portal

[@jeremywilliams5107]

Damnation. We were being very quiet about the Large Demon Collider. The Small Demon Collider was quite successful.

[@marianagyorgyfalvi3659]

Goodbye Fermi paradox!

[@vilefly]

Still working on the BFG9000.....oh, yeah.

[@alankott3129]

@@vilefly I now have the music from the original game in my head!

[@Rob2k22]

X is packed with cern conspiracy theories

[@dr.merlot1532]

I always believed that apparitions are real. Physicists will soon find out.

[@bobusa1960]

I can’t believe she said “bullshit” hahaha

[@daveh7720]

You should hear her when she talks about politics.

[@thstroyur]

@@daveh7720 Or multispectral glasses.

[@pauljs75]

She's German, no time wasted in getting to the point.

[@daveh7720]

@@pauljs75My kind of people!

[@seriousmaran9414]

She says it as it is, bullshit is bullshit is bullshit no matter who you are. Brexit is bullshit too. So are many politicians.

[@ericlipps9459]

I'd certainly consider 100 million euros expensive, but particle physics operates on a different scale these days.

[@markdowning7959]

You should have saved this episode for Halloween. 👻👻👻

[@dewiz9596]

It would have been thoroughly debunked by then😉

[@sampsqwantch4612]

bless your heart

[@matttzzz2]

Title of the video has a question mark (?) Thus the answer to the question is always: NO.

[@nkronert]

Now I'm conCERNed...

[@Posesso]

xD

[@axle.student]

Had Ron elevated your conCERNes?

[@nickcarroll8565]

Womp womp

[@SaltyPirate71]

Dark matter, the Easter bunny, string theory, Bigfoot and UFOs...

[@shidoking627]

As a stiens gate fan i cannot allow CERN to mess with dark particles 😂

[@fricc33]

Lol, I used to work at CERN with the CHORUS collaboration experiment, looking for neutrino oscillations out of the same tungsten target. I bet this is at the same experimental location. Ironically the neutrino oscillations couldn't be detected at CERN because we were too close to the source of neutrinos...

[@betterlife3574]

What's the real purpose of CERN and who funds it?

[@MCsCreations]

Thanks, Sabine! 😊 I've heard ghosts are good people. Or were, I'm not sure. Anyway, stay safe there with your family! 🖖😊

[@DragoNate]

"it's not super expensive, only one-hudred-million" Sabine's sponsorships be PAYIN'! :P

[@MicroageHD]

Relax, I work for SHiP and we barely get any money. This experiment has a developement + running time of roughly 30 years. 100.000.000 is not a lot, trust me.

[@DragoNate]

@@MicroageHD I am relaxed lol I'm just making a joke about her saying 100 mil isn't expensive lol yes, i know comparatively to other experiments that cost billions, it's cheap, but that comparison wasn't explicitly mentioned which makes it funny. relax :D i'm not trying to say SHiP is a waste or not worth it or trying to call anyone out. it simply sounds funny to say, out of context, "100 mil isn't much" take note of the 'tongue sticking out face' emoji in my original comment.

[@Ivan-fs7go]

Hidden practicals are also looking for creative scientists. I hope they find each others 😅

[@RaimarLunardi]

What I don't get is how a massive particle is less interactive than a neutrino? isn't the dark matter neutral and more massive? how is that something similar but way bigger is less interactive?

[@carlsderder]

That is what they thought in the past, what i understood is that the theory shifted to defend that hipotetical dark matter particles are actually less massive. There is also the opposing theory, modified gravity, that doesn't need new particles.

[@AathielVaDaath]

Someone behind the project needs to find a way to get the device officially designated the PKE. They are already using positron coliders (though sadly, while probably for the best, this one is licensed)...

[@richardzeitz54]

Sabine, you could write an excellent guide to writing science articles! It would be great to read about Karl Popper and falsification, how to write about science without writing oversimplified bulls*t that "isn't even wrong," to borrow one of my favorite critiques of bad arguments. I was fully expecting you to call bullsh*t at first, just on the basis of the headline of the BBC article, so it was interesting to discover what a reasonable experiment it really is and WHY it's a good one, and to realize it was merely the BBC that was full of it. So much bad science writing in the world!You're a gem amongst so much drek.

[@Jacobk-g7r]

1:12 No, the ghost doesn’t mean it’s not there or non existent. It means that it exists but what’s here right now doesn’t interact but chains can interact and alter the ghosts or verify the ghosts.

[@Posesso]

I am not sure whether it's a wrong timestamp, or laziness coz you commented before watching the whole thing, but maybe it was a not very well landed joke about the ghost-chain connection. If it is the latter, I love it.

[@Jacobk-g7r]

@@Posesso i timestamp after like at the end of what she said. My b. Oh and the chain would be… if observed we see the pattern and then we isolate a pattern and repeat until observing and understanding further like a chain and that’s how the “ghost” particles are found and understood by the connections. It’s not non existent just hard to find and understand due to needing technology and money.

[@howtoappearincompletely9739]

The fact that there isn't an eye-watering price-tag attached to this experiment makes me a lot less cynical about this than I usually am about particle-physics experiments.

[@markc4176]

One big problem with this approach is that if we are wrong about how “weakly” they interact, and they end up being highly attracted to one another (or to other particles), creating a highly concentrated area of them could be extremely dangerous. Imagine if these particles are actually those responsible for singularity-like behavior, and we’re about to create a room full of them.

[@TheCorruptionKing]

Expansion of the Universe Theory : Sewing Button Expandable Rulers, in series, provides an analog demonstration of a mathematical constant expanse. Big bang is starting origin, we are p1 of x positions, the observable universe p2 of x positions. Under this model, constant expanse is present. Point to be made, by understanding which directions from us a local observer, expand, faster or slower, we could determine our earthly location in accordance to the big bang. This model also shows how further points appear to be expanding away from origin at greater and increasing speeds. Reason being expanse from X to X2 is constant , however the compounding expanse of each point, means X and X^n+1, the later point will be moving away at the constant plus all the constants between points. All points expand constant, but to the observer, further points move away with greater speed than the observed local constant.

[@TheCorruptionKing]

Oh and dont even get me started on how yes red shift, but also energy decay. Light loosing energy as it travels, and shifting do to the stretch of space. This used with ^^^ that, could also help define out location according to the big bang. We know know everything is expanding in all directions, which direction expand observably expand less than expected and more than expected. A directional expanse could then be used with geometry to find center. Based on expanding sphere model.

[@frankcl1]

Your comment is not very clear so I'm not exactly sure what you are talking about, but as far as we know the big bang took place in the entire universe (or at least in the observable one), so there is no such thing as an origin, or a distance towards this origin.

[@TheCorruptionKing]

single point expanding into, say, a spherical shape. If a single point expanded into a sphere, we can use math to determine center, and our position to center. If the shape of the universe is a sphere. Big bang was nothing bang universe then expanding. There is a point where it happened. An explosion is the force expanding, but an explosion has an origin. @@frankcl1

[@TheCorruptionKing]

google button sewing ruler. use that mechanism to form a model, that represents equal expansion, compounding bc the space between space adds up over time. Then a lot more other scientific laws make sense without the need for factor X anti matter anti energy@@frankcl1

[@QuadDog77]

Sabine, you are awesome. Thanks for your KZbin stuff.

[@Lucius_Chiaraviglio]

I was wondering about the possibility that we might have missed something rarely produced or hard to detect in an energy range lower than the maximum of our particle accelerators, and had been thinking to ask it in the comments to some future Fermilab video . . . and here it is, under actual consideration.

[@janklaas6885]

📍4:17

[@donwolff6463]

We love Sabine ❤❤❤ but, my gal asks: do you have only one shirt? Every time she looks at the screen you have the same shirt on just about. For the sake of my ear, please bring in changes for when you shot sets. :-) ... see i cant even get through this response without her adding: its a nice shirt, but variety is the spice of life, girl! Have fun with it!

[@Thomas-gk42]

She explained it already som e other commenters: it´s because of the sponsors

[@terapode]

Your videos are more interesting, fun and easy to understand than videos from PBS Spacetime.

[@SeanSpecker]

the experiments have been done. the papers written. the results ignored for more costly endeavors. good job.

[@yeroca]

Ghost particles is click bait. On the other hand, how do you make a coherent headline for this, "CERN project to find particles with galaxy-sized wavelengths that might exist gets go-ahead" not too catchy.

[@frankcl1]

Yes if they want scientific illiterate people to read the stuff they can't just be precise

[@adriang6424]

CERN , now specialising in proton exorcisms .... rid yourself of ghost particles now 🤣 {only 100m euro per service!}

[@JosePineda-cy6om]

seems a proton pack, or simply calling a priest, might be more cost effective

[@michaelgilbey6692]

The hardest thing in the universe to find is something that does not exist. as far as i know, a Nothing Detector has yet to be invented.

[@Zen_Power]

There’s actually an employee named “particles” who works at CERN. He hides everyday and they look for him.

[@FrancisFjordCupola]

Ah, next to Bosons and Fermions we will finally have Casperons.

[@frogandspanner]

2:23 _Tantalium_ - perhaps we should regularise the name to fit in with Aluminium.

[@Whysicist]

“Poke and Hope”… works as a strategy playing pool and now it’s applied to Physics…good luck. Experimentalists are easy! heehee…

[@skellingtonmeteoryballoon]

They gonna love them hidden particles, this is exciting

[@deth3021]

Dark matter of the gaps.

[@osmosisjones4912]

The why files is the most honest debunction channal

[@carmencardenas9639]

Im not a scientist but I have videos recorder with nvg where light, energy orbs clearly go thru objects. Also they react to laser and will approach to interact if they choose to. I only see them in one area . Tried in other cities and I didn't see any. Are these ghost particles?

[@thomasgoodwin2648]

Try looking for temporal particles. We seem to forget that time bends as well as space. 🖖😎👍

[@Yezpahr]

Calling them "ghosts" is a literal zeitgeist.

[@mikemondano3624]

You literally do not know what the word means.

[@david_porthouse]

Tungsten is prone to corrosion. Tantalum cladding fixes that.

[@benverhaag8191]

what is the frequency of a particle that has a wavelength of the universe? and is such a thing really observable?

[@GlassDeviant]

How many ghost particles in the average ghost?

[@Thomas-gk42]

😅one should ask the ghostbusters

[@tajiroller]

It seems to me the Dark Matter is the Ether. When atoms come together their Electron Orbital Shells come together and form Electron Valance Shells. When atoms come together and form a matter like earth, then all the Electron Valance Shells come together to form a Massively Multilayered Electron Valance Shell. The MMEVS is a pressure gradient and generates a buoyancy force which we call gravitational field. The MMEVS field is a field which is made up of electric field AND magnetic field shells. Through this field, light passes as radiation waves. Gravity-wise, it is same with the moon and the sun and any other matter which exists in this universe and beyond. The Ether is the fundamental field and matters are created from the Ether, I think as cavitation bubbles. I hope it helps.😅

[@Iohannis42]

There is nothing unusual about "dark matter"...

[@Jerrec]

I thought a part of the SPS was demolished and the remaining part is a pre-collider to the LHC? Cool if they reactivate it.

[@egirl2040]

Why isn’t this all over the news like what

[@nickharrison3748]

Good. nicely explained.

[@nunomaroco583]

Brilliant, nice experiment....

[@ZeroInDaHouse]

They should have called it SHiT: Stubborn Hunt for Imaginative Theories.

[@bm9504nb12]

😂 so true

[@csabanagy8071]

I do not think Dark Matter is a particle what can be found in an accelerator. I'm more thinking toward that dark matter is an effect of the moving space-time. In principle frame dragging. More over, I think the "empty" space has mass and momentum too and it is very "elastic" (gravity wave)...

[@dryft7906]

"It's not- It's not shutting down!"

[@crazieeez]

Dark matter travels faster than the speed of light. You cannot catch it because it travels faster than light can bounce to detect. You will need a gravitational detector to detect dark matter and how fast it is traveling. LIGO plus machine can do it.

[@Wes-Tyler]

2:20 what are these red tubes? Are they power supply? and what are the blue canisters?

[@petepanteraman]

All that build up for something so short and sweet, 😆 i don't envy having to make videos like Sabine does 👍👍

[@valloneMH]

As the past-ghosts of future cognitive beings (biotic or digital/quantic beings) who will live 1k million from now on, I reckon it's inadmissible to deny them our present, childhood experiments !

[@not2busy]

. . . and I suppose that SHiT stands for "Search for HIdden Things"

[@gibbogle]

" The stars are matter. We are matter. It doesn't matter." Don Van Vliet.

[@Rudi_F_Vienna]

Dear Sabine, please get your facts straight: The SPS can reach an energy of 450 GeV, not "a fairly low energy of about 5 GeV". The beam to the SHiP experiment will have an energy of 400 GeV. See 1:44 in your own video.

[@natasha60937]

You are so delicate! Congrats \õ/

[@393miha]

SPS operates at 450 GeV, not at 5 GeV like Sabine said.

[@bico1592]

We can forget that brains can have a sense of humor. Thanks Sabine...

[@adamnealis]

"Heaviest" nonradioactive elements? Isn't "densest" what was meant?

[@dewiz9596]

Largest atomic number that is non-radioactive

[@sydhenderson6753]

Both, actually, but I think density is more important or they'd just use lead, which is cheaper but much less dense.

[@rickdworsky6457]

Could regions of reinforcement from overlapping gravitational waves explain what we observe as 'dark matter'?

[@anothersquid]

you get neutrinos from your bananas too! oh no! :)

[@douglaswilkinson5700]

And an electron and daughter calcium-40!

[@TheIceMan9304]

This may be a stupid question but why can't they just build a spiralled collider and stack the loops on top of each other?

[@peterhall6371]

Does anyone else think that dark matter is really just local variations in the topology of space? It seems (to me) like such an obvious possibility, and they're really not finding anything anyway.

[@Bobby-fj8mk]

Hi Sabine - why don't they look for missing mass?

[@purpleglitter9596]

They're calling them ghosts to catch people's attention. I think it's a good idea.

[@nevadahamaker7149]

1:38 Should've said, "...maybe they should call someone."

[@Posesso]

who you're gonna call?!?! (say it!)

[@dubsar]

Let's talk about the ectoplasm field.

[@PNWZombieWatch]

The fact you didn't flash a quick reference to ghostbusters movie of some kind makes me sad :)

[@John-zz6fz]

Ok, so CERN is going to use a proton accelerator to try and catch ghosts... 1984 me just got really really excited. Any chance we can get Murray, Aykroyd and Hudson to make an appearance on this?

[@tomwery5155]

Spooky

[@JosePineda-cy6om]

@1:38 Einstein bobble head ghost says "hi", or rather "boo"

[@bugeyedwillypetfarm9625]

My ghost is getting ptsd before im ready

[@natthaphonhongcharoen]

Shoutout to whoever have to machine those Tungsten to spec

[@Thomas-gk42]

Thank you for your insights. Maybe it has more explanatory power to assume that the particles also go through the superfluid phase transition that you were working on? (name it superghosts)

[@SabineHossenfelder]

Yes, the masses of particles that can form superfluids are in the same range. I've actually spent quite some time trying to come up with estimates for direct detection experiments, but in the end I couldn't find a way to say anything sensible about it. (So I said nothing...)

[@Thomas-gk42]

@@SabineHossenfelderThank you

[@MrJermeyp]

I always felt like camera film cases could possibly contain the secrets to dark matter. 🧐

[@AurelienCarnoy]

Hello. Could gravity be caused by how virtual particles recombine? Thank you

[@mrx1278]

What conversation tidbits would hold your attention on a first date Sabine?

[@ForkThe6]

The science uses the term Dark Matter because the existence of some strange kind of matter can mathematically be proven (because it has gravity and interacts with our observable universe - Ordinary Matter) but is invisible. Untill we prove that it isn't some kind of matter from different (higher, lower or parallel) dimension or something similar, the more precise term to use should be Invisible or ghostly matter, simply because the words dark and invisible can never be synonyms.