IceCube and NWA (Neutrinos With Abnormally high energies)
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- čas přidán 14. 07. 2018
- The IceCube telescope is the largest neutrino observatory in the world, and after years of observing random neutrinos from all over the sky, one event has been traced back to a blazar in another galaxy.
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haha that ice cube joke was good
Straight out of Compton scattering. XD
I had no idea how deep your understanding of Particle Physics is. Ur a smart boi!
if you think you understand particle physics, you dont understand particle physics.
flippynl good point
With "understanding" I mean "knowledge"
"I have done a terrible thing: I have postulated a particle that cannot be detected." --Wolfgang Pauli
Oh yeaahh,
Gotta get schwifty,
You gotta get schwifty in here.
I thought the title was serious for a minute there...
Oh, I knew it was serious... but that it was the name of a detector. :P
Oof. Ouch. Owie. Ow.
Hi! I'm currently writing a thesis in the IceCube group, working on neutrino oscillation studies myself! Nice to see you feature the result! One caveat up front: The detection has less than 5-sigma significance, so we are not allowed to use the word "discovery". But at just shy of 4-sigma, it's still "compelling evidence". This is just the beginning, now that the technology has been proven it will hopefully be easy to get the funding to expand and improve IceCube, so we will see these events more regularly to study them. Studies have been made to search for sterile neutrinos as well, but so far there is no evidence for their existence from IceCube. Now, absence of evidence is not evidence of absence, but some specific models of them can already be excluded with high confidence.
Neutrinos With Attitudes
Neutriggers XD
Wit
The first thing they do when they pull them from the detector is to ask them for their driver license and registration. XD
This was probably the most unexpected joke I’d be hearing from a science oriented guy... came
STRAIGHT OUTTA LEFT FIELD
you explain these things in a way that is entertaining and easy to understand!
Holy shit man you killed me with that opening, I haven't laughed like that in a long time.
I'm realizing how much your channel has been on my wavelength over the years - your KSP videos back in 2012 got me hooked on space stuff again - and now when I'm getting in to theoretical physics, and am working on coherent radar in my job you start releasing in depth videos about interferometry (very related) and talking about neutrinos with attitude (fucking lol).
Thank you for all of the videos you've released over the years - I have loved the shift to more scientific stuff. I always look forward to your releases, and I hope that you keep up the good work - I'm sure you will. Fly safe :)
Just love your science videoes. You break down stuff in a nice way :)
Love your videos been watching them for the longest time.
All hail Manley! Lol. Thanks for explaining to me (who’s been trying to understand some of the articles coming out on my own - lol) in only the way that you can what this awesome new science is about. Appreciate the video as always. Hope you’re doing great!
Really feeling this thumbnail. *thumbs up*
Thank You Scott
Excellent Mr. Manley. you took on a tough topic and i think well done. But, then, i know very little about the physics,
I certainly need to watch your content more.
Good on you for you to manage make it interesting.
Great video man. I love physics but as an amatuer I often miss out on things like this. Thanks for taking my and many others understanding and interest in physics higher
My college (UW Madison) built IceCube! I am proud to be tangentially involved in a sci-fi science base.
I can't stop thinking about the joke.
tsundere neutrinos..
This is the greatest CZcams video name ever.
Is there a good Brady video on all the particles? Like Tau, Lepton, Boson, Gluon and whatever they are called these days?
A friend of mine worked on IceCube; such cool stuff!
Very cool.
Scott, just took my kids to Space Camp. Got some great pics of the Saturn V and F1 there if you want them.
One of the main scientists there gave a talk to a small group of us at my college. It was fun, there was a small enough amount of us there that I got to ask a a bunch of questions regarding potential issues and improvements, which turned out to be some of the big improvements they had already planned for the sequel design (made me feel good, lol).
There are NEVER enough physics rap jokes, Mr Manley. Never. Carry on.
Good joke! Ice Cube should really visit his telescope :-)
Nice summary. Next Video about MeerKAT? 😊
7:00 - We saw fewer neutrinos than expected because some of them were disguised in drag. :-P
Hey Scott, are you going to be checking out the new update for No Mans Sky when it comes out?
I suppose, in a way, this is one of the closest things we have to Schrodinger's Cat. That one probabilistic neutrino interaction had macroscopic effects. If you didn't know whether or not it collided, you'd have to model the world as a superposition of one where all those telescopes get pointed at that blazar and this video gets made, and one where that doesn't happen. (Under Copenhagen, at least)
"Good news everyone..." =) sometimes I have this quote from Futurama in mind when you start a episode with really exciting scientific news like this one.
I saw Ice Cube and just clicked haha!
Hi Scott, great content as ever. Have a question...... I believe this neutrino detection was inferred from a muon detection in ice cube, firstly how does you know the muon was as a result of a neutrino interaction and secondly how do you infer the direction that the neutrino came from, when it was not directly detected?
Tim Simpson By observing the direction that the particle "shrapnel" (that's kind of how I think of the scattering) is heading in. It's a big cluster of sensors, so think of it like a big block of ballistic gelatin but for particles haha. The energies should be highest at/near the point of impact and reduce as the scattering spreads out, hitting additional particles, causing further scattering etc.
The odds allowing that jet to be lined up with the Earth are insane
I thought we are always picking up extra-terrestrial nuetrinos (from Sol), and it's the Extra-solar ones that get us really excited.
(I trust your research sources more than mine if you say I'm wrong on that)
Nuetrinos With Acceleration?
It’s funny your video came out today. I was about to film mine this afternoon when I found out that IceCube had in fact detected a high energy neutrino in 2013 that Fermi also traced back to a blazar (svs.gsfc.nasa.gov/12218). I suspect the reason for the buzz on this new story may be because IceCube had a much larger uncertainty, but I’m not sure. Any idea what makes this TXS source the big “first”?
Was the Los alamos detection the one in a old mine?
The greatest combination yet in this Universe
Hi Scott, where did you get your kerbal figurine? My husband is a big fan, physicist, gamer, dad, and I’d like to get him one!
What's even more mind boggling is that the neutrino(s) detected at the south pole (originating from TXS 0506+056) traveled for roughly 5.7 billion +/- years before arriving at the Ice Cube experiment.
WOW!
wheere do i go learn quantum physics like you teach them, scott?
i love your scottish accent!
You're not from around here are you boy? :D
Did the Super-Kamiokande detect the same events? Is it still operational anyway.
I simply couldn't believe that thumbnail at first
I can see today's gonna be a good day
what is that dot traveling across the Fermi fov? mun?
Great meme
So how long had the neutrino been traveling to get from there to here?
Did you notice at 5.08 Scott turned into Borrat for a second.
Soul Plane was on last night, so it's all coming together for me now, thanks Scott, that explains the part where Snoop Dog tells the washroom attendant....
For those of us not in the joke, like I was before last night: (the main character) sues an airline and is awarded $100,000,000 by the jury. He decides to use the money to start his own airline, called *N.W.A.* (Nashawn Wade Airlines)
The title got me so confused for a min 😂
Far out!
Everyone knows that the Watts Towers aren't an art piece, but are really a community made neutrino detector.
Elevated neutrino emissions mean something is coming through the wormhole
HP printers make me angry, but I digress.
Q. How much does a neutrino weigh?
A. Not enough to break the ice!
I'll be going now...
My god, that was *such* a dad joke at the beginning there.
The titel alone won you the world cup. Although it's still on.
NOTIFICATION SQUAD
wait... pulsars, magnetars, quasar now blazars? whats next?
Are there events that we could detect through both neutrinos with Icecube and gravitational waves with Ligo/Virgo?
That was one unexpected result - no clear neutrino signal associated with GW event
neutrinos have mass, so they travel slower than light in a vacuum. gravitational waves travel at the speed of light. how much lag would you expect between the detections at LIGO and IceCube
Not much; stellar neutrinos are estimated to be emitted at 99.99% of _c_ from FOR, so the further the object, the greater the lag would be.
Funny you should mention the lag time. In the case of 1987A (which by the way, Scott, was extra-galactic - it came from the LMC), the neutrinos arrived at Earth before the light from the supernova. How is that possible? Neutrinos generated in core collapse supernovae are largely generated at the instant of core collapse in truly staggering numbers (10^58 neutrinos, radiating 10^46 joules of energy, which is far, far more energy than is emitted in the form of light). That flood of neutrinos flies through the supernova like it isn't there and heads out at just under the speed of light. The light from the supernova explosion doesn't start its trip for hours, as it takes some time for the shock wave from the core collapse to reach the star's former surface and start shining. Yes, the light is faster, but that couple hours is an insurmountable lead for the neutrinos. In the case of 1987A, the neutrinos beat the light by 2-3 hours after a ~150k ly trip.
You're quite right, and I gave a truncated and inaccurate response.
Heliologists and cosmologists make inferences about stellar structure based on what we observe from the surface and what we know about plasma and fusion reactions. All the gamma rays and other EM emissions were probably bound up in the superdense plasma, unable to escape until the wave reached the edge of the convective/radiative layer and the star's entire shell and corona blew out, and that would account for the neutrinos arriving first.
And I wouldn't say insurmountable; but from our FOR they would almost certainly beat the gamma rays and other light.
What's north in cosmology? The centre of our galaxy?
"Somewhere west of Orion" is an awesome Pink Floyd album name.
Ladies and gentlemen... this is the next Doctor Who
why wouldn't our methods detect muon/tau neutrinos? or if they were detected wouldn't people have realised it was something unexpected?
N'wahs with Attitude, Straight outta Vivec City, Ice Jiub. Morrowind anyone?
Opening lines..... 😂
How do they verify if the neutrinos changing flavor/type as they transit from the sun? In order to be verified, would they not have to build a similar detector in closer proximity to prove said behavior?
Detecting neutrinos is hard enough to begin with - the 'mass transition' hypothesis is simply an effort to explain the Solar Neutrino problem. It makes sense with known quantum mechanics, it's just not something that we can practically build an experiment to test right now.
I hear we have a pretty sweet photo of the Sun taken at night through the Earth with one of these Neutrino detectors. It took months to gather the data, from just how hard they are to detect, but we have an actual image of the Sun taken at night.
So... today was a good day?! ;)
Nutrinos
Just wait, next thing you know they'll claim there are oldtrino too...
Are we on the verge of new physics, or is this another case of the Standard Model being perfectly correct as always?
J.J. Shank dang stuffy standard model...always failing to unify physics...
During the drilling they will find a strange, frozen creature and put it in a storeroom for later examination. Then, during the night, when everyone is asleep...
That's a different site. Where everyone has been replaced by an identical copy that doesn't even know it isn't the original.
David Wührer unsure if that’s a multiverse reference, a reference of the Pauli exclusion principle, or something I’m too dim to realize
*Andrew Miller*
It's a reference to the science fiction / horror story Who Goes There? by John Campbell, which was adapted into a movie by John Carpenter called The Thing.
Or, alternatively..
"South Station Under - Washington Under - Park Street
Under-Kendall - Central - Harvard - " The poor fellow was
chanting the familiar stations of the Boston-Cambridge tunnel
that burrowed through our peaceful native soil thousands of
miles away in New England, yet to me the ritual had neither irrelevance
nor home feeling. It had only horror, because I knew
unerringly the monstrous, nefandous analogy that had suggested
it. We had expected, upon looking back, to see a terrible
and incredible moving entity if the mists were thin enough; but
of that entity we had formed a clear idea. What we did see - for
the mists were indeed all too malignly thinned - was something
altogether different, and immeasurably more hideous and detestable.
It was the utter, objective embodiment of the fantastic
novelist's "thing that should not be"; and its nearest comprehensible
analogue is a vast, onrushing subway train as one
sees it from a station platform - the great black front looming
colossally out of infinite subterranean distance, constellated
with strangely colored lights and filling the prodigious burrow
as a piston fills a cylinder.
Video title sounds like an MC Hawking track
I'll be watching for cube to show up, drop a like, throw up a hand ✊ and bounce.
PARTICular lol
Particle+ular
Okay, admittedly, I'm not very well versed on what neutrinos are or how they work and why. But... it's something that is faster than the speed of light in the medium of ice (3:06)? And it has mass (6:38)? I... Please... Help. Help. Brain.exe has just stopped working. What I know about physics, albeit as a layman, says this isn't possible. Giving a quick read, it also seems that the neutrinos changing state/"flavors" wouldn't explain this since OPERA observed a neutrino change state and it still had mass. So... Am I missing something? Is this just a physics "loophole" (in which case, I'd say "being able to go faster than the speed of light in a medium" is one HELL of a workaround) or is this something that the scientific community is unsure of?
Wait... if neutrinos are not massless, how are they arriving from a distant galaxy at the same time as the photons for other telescopes to observe the blazar flaring?
Was it not literally a correlated event being observed as suggested, just the telescopes were able to note that there was a thing in the right area?
Or do we now have evidence of massive objects travelling at the speed of light in vacuum?
The mass is so low that no difference in speed has been measured.
Interesting... though I suppose it's hard to measure everything with a high degree of certainty, given we're talking about neutrinos. Can't just put a pile of them on a scale to see what they weigh.
Still, it is evidence it's possible for objects with non-zero mass to get close enough to c to not get significantly delayed even over intergalactic distances, and that's something I didn't know yesterday. :)
I heard that in case of supernovas the neutrinos are detected abaut 20 minutes erlier then light, because they didn't interacted with the matter of exploding star. Enaugh time to turn the telescope to wright direction, check that everything is working properly, phone for aditional crew and make a coffee for a long night ;)
Alright bro, here I've got a puzzle. What would it take to maintain the Earth's Goldilocks zone as the Sun expands? So basically you have 100's of millions of years to solve the issue. What is the most efficient and plausible method? I was talking with some friends when the question came up so it would be cool if there is a possibility of saving the Earth as the Sun goes mental.
Fraser Manley move to Titan i suppose
Sulphur aerosols
Edit: en.m.wikipedia.org/wiki/Stratospheric_aerosol_injection_(climate_engineering)
I can't really think of a way of moving a planet with anything other than ultratechnology.
Building a gigantic solar sail and attaching it to the Earth with a gigantic cable on rails which the base of the cable travelled on and rotated around the Earth so as to always have the Earth "in front of it" relative to the sun (so it got pulled), aligned with the solar orbital plane, is about the only thing I can think of, and this has some absolutely ridiculous engineering requirements. I'm not going to say it's _impossible_ but it's very close to it!
If the rotational axis of the Earth _was_ perpendicular to the solar orbital plane of the Earth (instead of off-axis, as it is) it would be "easier" as you could then have the cable be stationary, and opaque the sail only when the Earth was in front of the sail (again, relative to the Sun). This would clearly take longer but this actually seems considerably more plausible (but still a absurdly difficult project)... but, of course, this is not how things are.
The hardest part of the whole thing is actually the attachment to the ground part IMO. Orbital elevators are hard enough as is (already considered extremely difficult!), but _pulling_ the Earth adds a _lot_ of additional tension force. The cable needs to be strong enough to be support this, and it also needs to have extensive attachment to the Earth so it doesn't just rip out a chunk of the crust! I dunno man... that's a tall, tall order.
Besides, if you have the tech to do such a thing you can just move en-masse somewhere else, which is far more practical.
Anyway, we'll almost certainly cook ourselves through climate change (hell, we'll probably do that within this next century or so) or obliterate ourselves with nuclear weapons before this is ever something to be concerned about, so let's think about fixing these more immediate issues instead, eh?
my personal preference is to prevent the sun from ever becoming a red giant.
start lifting is when you remove mass from a star and there are proposed ways to do it that don't need any new physics. if we drop the sun's mass to that of a red dwarf the sun will never expand, although it will be dimer so we might want to have some mirrors keeping the Earth warm.
the advantage of this approach is that red dwarf stars are incredibly long-lived, a properly tended sun could last us beond the starforming perioud of the univerce.
Earth sucks
Does no one see the moving red dot @ 4:41 (right side) ?
Neutrino please....
Where is cat?
I just imagine a poor intern in the South Pole pouring mug after mug of hot water to build the hole fire icecube.
Neutrinos With Amplitude?
Haven't you heard, all particles are makin' waves these days...
|D
sorry to be really pedantic, but I suggest it would be good to use 'theory' and 'hypothesis' as they are used in science. describing a hypothesis as a theory leads to confusion that ca be exploited by anti-science types.
I think he is working on the theory that the colloquial meaning and the professional meaning can deviate. Lots of terms have multiple meanings depending on context. I still think it could be confusing, but here the meaning is clear from context.
I don't disagree, but as I am a pedantic so-and-so, I thought I would mention it. The old 'it's just a theory' line is really annoying to me as it is a needless source of confusion.
*Touay*
I agree. Nothing is ever _just_ a theory.
Touay that's just, like, your theory, man.
I hypothesize that you are, like, a hippy, man. :-p
hmmmmmm
Next the ISO will announce a new measure of weight, the Dogg Pound.
Might as well, given that someone sucked the pound away from being a weight measure and made it a mass measure trying to eclipse the slug.
there's a No Man's Sky update coming out soon that I think you may like.
Who disliked this video?
Did Scott make a mistake?
o7
The video was not very Vanilla. Always trust this Scottish DJ to deliver the Flavor Flav. Maybe some Salt-n-Pepa, or Red Hot Chili Peppers. He just always has the Spice Girls want.
I just carbon dated you to 60 years.
How many marky marks out of ten would you give him?
K1lostream : A whole funky bunch of them.
I think I might have detected a neutrino yesterday. I was sitting around just relaxing with some games and I saw a bright but brief white flash in my right eye. There wasn't anything in the room or through the window that would explain it.
ExaltedDuck Cosmic ray muon.
Well, no, probably not. It's just one of my favorite particles.
get this man to a laboratory!
That's cosmic rays. You cannot see neutrinos. :)
Of all the possible things it could have been, you decided it was a neutrino scattering in your room?
That's just the Flash searching your room for weed.
ICE CUBE IS FROM THE WEST SIDE GRUHHH
Sometimes in my life, i have seen a momentary flash of light (like a white-out) with no apparent source or cause. I have even experienced this at the same time as my brother who was in the room with me, perplexing us both.
I'm wondering now if it was perhaps a burst of neutrinos (or other high energy ionizing radiation), colliding within our eyeballs, causing Cherenkov radiation. It makes me wonder if there's a phone app for reporting such things, so you could see if it is indeed a synchronised global phenomenon that others see at the same time (and could thus be used as a distributed socio-biological detector for neutrino bursts).
You have far better odds of getting a false visual image from a stray gamma ray. The photomultipliers in these detectors amplify events less than one millionth the brightness of a single candle flame.