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# Quantum Entanglements, Part 3 | Lecture 6

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0 that can be learned that the only Levinson bearing statement that you could make concerning a rule about that Is that all of its components have to be equal to 0 1 if if in some frame of reference the law nature is that some components equal 0 had better be all of that White because if you rotate or rents transform you coordinates you will love inconsistency on unless you require all components to be 0 so as as I said a lot of physics could be that all 4 components of these location of 2 events where the 2 events the 2 events are the sudden turning around the 1 particle and the sudden turning around of another particles both this law of physics would tell us this event 2 events could only happen if they work the same space-time point so we express the laws of physics In terms are 4 directors or objects which transformed in a particular coherent way what electors transformed the components transform into each other we've seen for example that under Lorentz transformations X T for example get mixed up with each other but they get mixed up a mother with a with each other in such a way that of all components are equal to 0 1 frame and all 0 in another fresh so we express laws of physics in terms of objects which transformed we always require either we transfer Trans pulls everything for the left hand side and stay Parliament's art for vector transformers for vector must be equal to 0 all are sometimes might express these laws of physics as an equation left inside the right hand side X of 2 why 2 is you have to of till we express this particular form is expressing research ruled by saying that tool for vectors every quarter which are not of some for vectors Yukos you certain former rector associated with 1 event is equal the 4 vector associated with the other events so sometimes we express them by setting some 0 sometimes expressed something by expressing a left-hand side right inside but the equations only makes sense in this particular kind of case if their whole expressions for higher for vectors not just the pieces for vector for vectors of course things which transform under Lorentz transformations the same way that X Y Z he left but the final 4 vector it's an object but opponents From at 1 for each direction based 1 kind that transformed doesn't need to transform it means its value as measured in different reference frames transforms fight node in 1 reference frame I can give you the rules for computing it in another reference price for example position Bossidy and so forth transformed from 1 Lawrence friend to another position when or how that transformed let's take the case of 1st Lorenzo transformation was x equals X miners see our why it is X Prize was at my square of what might be squared incidentally the notation McCabe writings square 1 might be square dominated here the standard notation gamma is equal to 1 although the square root of 1 might be squared Gamma Gamma Read saves writing nothing deep about just every writing another later writers is that gamma times X minors the for well so why Prime said again the AIDS ago the 1 everyone see back into a form was put down here I see is eagled 1 why try musical Hawaii prime physical dizzy as a prime physical 50 miles X the everybody what might be squared or gamma times team miners VX visited the transformation properties of coordinates of the event other transformation properties involved rotations of space right down transformations associated rotations space replaces a space together and is an example many maniacs easy diva rotate about the rotate about z-axis vertically is z-axis erupted my coordinates X and Y get mixed up with each other Our Zeke does not get mixed into it and neither the time for all I do is take my year record taxis then the equations would look like not totally dissimilar today as well so totally similar data but they would look like best X Prize is equal the X times cosigner angle plus Y times sign of an angle West putting he opposes Eurocurrency plus 0 times he just remembered that is that tear also part of the game why Prime is equal to minus minus X very minus X cosigned data when sex figure sex sighing freighter plus wiII cosigned later plus 0 z plus 0 fee prime is equal to the GE stacking things Of the Z backing things up so that the X always appears in the same place wire with appears saying Glazier both the place arrive 0 x 0 0 why plus plus 0 t being pedantic but putting in always your beer and finally Our cheap his eagle to cheat for all the others being 0 this tells me how things and former rotation about the world about the z-axis his tells me how they transform underwent transformation that similar kinds of equations in each case they linear equations of the form of a particular form a matrix is involved a lot like this in matrix form I think I wrote that last time matrix form in each case the linear equations which have the form but X find you know you've got 1 2 3 0 1 2 3 0 1 means X Cummings white creeping Zee and 0 0 means time there of the former X Prize it is equal to some make matrix mutual funds X Nova for example let me right down the matrix got will rent and remission in that case the Matrix looked so it makes on
a times B twice 8 times B is also an area so anything with 1 up index like this in 1 lawyer index combine them together you've gone an invariant quantity which is the same in every reference for course good defying things which are the same every reference frame because I love nature supposed to be the same every reference for measurement and measurement of 80 of the state quantity should be the same every 4 temperature distance between particles whatever all right but let's let's go want to consider some specific for vector velocity for vector which we do last time but now armed with some powerful rotation find some things that would have allowed 1 of article and we have to points then the separation between them is a little in the past more of week DX meal time it has was Israel components are its components are D XTY Desi and dt equivalent 3 X 1 B X 2 would-be 6 3 in BX not that's a compound that's a 4 vector it's infinitesimal small if we divide that by D. Talwin what's good for with detailed Square Square a how is he squared minus Theatre Square miners BY square mile disease quarters but that's just the X New X meal squared minus DX whereby why squared with his town as Tao square I think I was just a square room the extramural divided by D Tal so this is the rate of change of the X of the X quarts of VX new coordinator particle but not rate of change with ordinary time but rate of change with proper the rate at which the coordinates of the particle are changing but as measured by Clark moving with the particle STX new detail and that is called the proper form lost you but its components well what we can before I talk about the components its now before velocity None as far components that's weird you think of you know the 3 components of velocity that you know everything about particles molding that's true reason is because of 4th component of our city is determined In terms of the 1st 3 components why is that that's because his velocity here satisfied a constraint satisfies and new relationship which allows you to compute the 4th component from the 1st 3 let's see what that constraint that I maintain that this subject here is a unit vector was even that mean for a it means that it is a product of itself or that you you knew is equal to 1 it's some like a unit vector In ordinary space if you have a unit vector an ordinary space and you know what's X component but you also know what's why component up was signed as an ambiguous why because the sum of the squares from most people 1 well before Milosevic is a unit vector how we see that but just check out but just check those work out DX muses equal to D X annually by detail VAX New by detail the upper component law component but look here be count Square is just BX BX so we have in the numerator so the numerator and the denominator of the same thing BX BX Mueller's deep how squared in nominating you also house for and so the flow velocity is a kind of unit full of vectors a floor components of a full velocity are not independent 4th component parts from an ambiguous sign is completely determined Greek a bleak he stated less than he year for a loss of vessels that let them last I remind you With tell us exactly what was about to do so would know let's you want you to 3 writers X and Y Kinsey components let's just call OUX were thinking about space for some reason I rather think about ex-wife is even want to and 3 but use of X will is equal to the X but details but that's the same as X by D. C and D T by so we need to know when there's of course this digital ordinary Milosevic agrees to the same thing for y component this is Eagleton D Y by GTE T by Didao saying thing for Uzi physical easy by BT but detail so space components here we can just write a simple equation we can write warning equation we can write that love as a ordinary three-dimensional vector is equal top order velocity of ordinary velocity time deeply but did tell the truth all 3 components not to worry about the 4th component to the country 4th component of you in a minute but let's just take the 1st 3 components the relation between order a velocity and the proper velocity is a simple factor T but let's work out what that is what like Elwood P. by powers we tell is equal amount arrive about explicitly decay squared minus X square minus D Y squared minus square aid if because glared sorry that detail squared so it's the square root of its but with this way because now what we want is seen by now the race obediently how that they divide us by DTC square T-square bt squared 50 square feet scored or is as easy as just 1 might squared is equal to 1 Martinez velocity squared the velocity of the particles or not talking about velocities of 2 frames of reference necessarily were really just talking about the velocity of the particles and they indicate that the of three-dimensional velocity ordinary velocity Opel on top of it indicate ordinary 1 miners velocity squared it is DT by Tao squared so did thousand dt so all I have to do in order to compute bt by how is turned upside down and take it square root of team by town that's equal to 1 the but the square root of 1 might be squared recalled again after them it's just a demo the sitting down but now it's associated with the velocity of the particles as the 1st velocity all 3 components of the square answer
laws of physics study think we may actually get to it tonight effective a good match Rimbey about 2 start anyway from nobody is not for right I did the does for components fell 1 of which is just wonders Top Of Westchester just Riverside equation Maramec ourselves confused Kirk but what do now is take a bit of a vacation from relatives write a lot of emotions ordinary laws of motion even before relativity the a day that I was removed Ma 0 to with the sauce back he knew of not only do is pick a lot of physics but offers makes think about it from the point of view freely and then trying to figure out how we would on redesigned changes modified so that it would become a relativistically invariant law motion it's a lot of emotions are charged particles in electric and magnetic fields now tell you right now decomposition and electric and magnetic it is not an invariant decomposition what in 1 frame of reference it is a magnetic fields may become a combination of electric and magnetic and another frame and vise versa souls I want to write 1st the novel feed tree-lined Stein long motion of particles charged particle in an electromagnetic field and then we can try to think how modified in order to make it a legitimate relativistic equation that will be the same in every reference right as I write it it will not be the same in every reference because it will be based on 3 Einstein rejects the fact that it's not the same everywhere from whole world of things are really led lines I'm His along with with ordinary kinematics with ordinary space type emotional right it is loss 1st of all articles MA forces massed times acceleration that we haven't even talked about acceleration but I think we can get rule for relativistic acceleration if ordinary accelerated his time rate of change of velocity then I don't think it would surprise you very much at this point if I told you that the poor dimensional acceleration it is the proper time rate of change our before that Bigelow velocity remember that these 1st 3 components of you are very close to to the ordinary velocity and all is very core was ordinary kind of our office slowly moving objects of a slowly moving objects the 1st 3 compartments of very close to the acceleration ordinary acceleration but will come back Abbas for the time being let's just think about ordinary acceleration the old-fashioned kind articles and they always need to know in order to write down the names equations for the motion of a particle is what the former Sunnyvale the forests of an electric particle of electrically charged particles force on an electrically charged particles is made up Out of the electric field just which is 3 vector their meaning the has 3 components X Y and Z some good about that and also the magnetic field is which also has 3 components something good about that worry because after all we want the right things in terms of four-dimensional objects not three-dimensional objects so as something quite none in not right about right down at least until we finally learnt understand better the relations between electric and magnetic fields but for the time being but just write down before and here it is before low rents is forced discovered by the rents sometimes 1895 because was always known was proportional to the electric charge it was not bad sir acceleration everything's an ordinary three-dimensional here was charged times electric field that goes back where who was the 1st one wrote down charged under electric field that Barry a 1st had the idea electric fields charges and electric fields of forces exerted on event plus also charged times yet velocity crossed the magnetic field OK now I have to tell you what the cost proper there's somebody anybody not know what the core of product the moment
anyway this place over forests is called velocity independence is not velocity and there is a velocity in here but remember velocity was in 1 frame of reference a particle may have let suppose there was no electric field altogether OK but because the particles woman with a velocity in a magnetic field a force on that's interesting because in some other frame of reference the velocity ladies year the velocities year-old than they would be no contribution to the force from here but the cost on we just see the on the force or makes except accepted accelerates in 1 frame it accelerates in every time on Wednesday at doesn't accelerate 1 frame doesn't accelerate another friend and sold such as funny if there was only a magnetic field of all the magnetic field there is some other frame of reference that would have to be an electric field In a frame of reference in which the velocity of the particle was but frame of the particle that could only come from the electric field so that immediately tells us that electric and magnetic fields have the mixed up with each other when you do a wrench transformation of what Is is the connection between electric and magnetic fields and the collection but the 2 of them together form a new kind of object which we haven't we have written down yet it's called depends here is an object which has sex components altogether issue only most scalar components x y z b also has components ex-wife Missouri Our it it doesn't have work components that has 6 components altogether so it's not what it something no it's gotta be something new and what all over it should these things transformed into each other on the various kinds of Lorentz transformations that's what we know so the next question is what kind of other objects are weakened defined besides galas and vectors and the next class of objects is called cancers in order to write down what be electromagnetic field from a point of view of relativity we have To understand and considers arm greedy well I tell you 1st of all the simplest way to think about it and From recall can choose capital city a scalar is concerned it's called the cancer of 0 rank it has no indices why had no indices used scalar has no plans to use its gala doesn't have any components so scalar is the simplest kind of cancers a vector a vector of 4 electorate is also Lee Kansas but tensor of rank 1 which means it's an object which has only caught 8 not aII new has only 1 index it as what components but has only 1 index that index could run over 4 different value was a cancer the thing which has 2 industries the simplest cancerous take 2 vectors let's call the main B B does not stand for the magnetic field may be a sequel to copy take another vector and put them next to each other and this object the object which has finally components altogether it's got 16 components altogether right 16 component because 80 has 4 components BA has 4 components Nuuanu each could be anything from 1 4 or from 0 3 as altogether there are 16 components we give this display play these 16 Kahan as a matrix as a floor by 4 matrix and the 1st place would put a easier what's 81 B 1 then I think it's a 1 B to a 1 B 4 E 81 B 0 and then 8 2 will be 1 and so forth we could display that is all for composed 16 components just lay them out on a grade and draw matrix for that's the simplest form of can't just take 2 vectors but and juxtapose them together take all 16 components and all 16 components Foreman object which is called a 2nd rank cancer you could take 3 vectors figure 3rd vectors now we would have to make a Cuomo represent a
stake of 1st of all this is a 2nd rank vector 2nd rank cancer is but about white-collar cancer nervous about not a fractured does come from the word can a resort Marisa justice to indices second-ranked concerned because we can construct third-ranked cancers of bank cancer will be made out of 3 vectors New New similar saying that would be a third-ranked concerned many components doesn't have 4 times for 16 components would want to display them we might display them on a cell fuel and thus it got us we can have fourth-ranked enters fifth-ranked tend to know what is it that characterizes Is it just a product of 2 vectors not its any object which transforms the same way as a product of 2 vectors so let's let's ask Howell a product of 2 vectors transforms the proud also 16 components supposing we know the components of the 80 kept the components of a prime and another frame of reference definition L knew the 80 that's the transformation property it's also the transformation property of babies GE kind these new but use different variable said they doubt or say how old 8 Powell I remember it doesn't matter what you call the summation index this 1 new and quote was 1 town left inside I haven't opened Sydney index which means really does correspond to some particular component on the side what how does what's the transformation properties of aII time new be time that's the crying component the news component of the I can't climb means the components and the prime reference for a while so easy just tell you know yes 8 With detail I'm so whatever I can Is it transforms with an object which has 2 elves it was great to next year's it next year the stigma index noticed that the law component of this goes with aII the upper component of this also goes with a prior to the local parliament can goes would be the upper components also goes would be prime now I can tell you what the general off 2nd rank cancer transformation general law is take attend shore In the kind of reference is given by in exactly the same kind of structures L you Nu Tea Co New professor Israel if not component of in 1 frame the on time frame than you take the Lawrence transformation matrices and you simply apply them the new index transforms into the new index but the new no matrix the stigma and index becomes the sentiment index by El Cid Tuesday the pattern of his pal repeats itself 3rd ranked cancer there is just 1 more making it transformed just as if all the product of 3 vectors this is what is called the answers you can best me why that called concern you can best be while Rhode or you could say is useful as it used to define it is very useful to define but he is a definite it's a thing which transforms as if it were a 16 components the father of 2 vectors now there are other things it doesn't have to be the product of 2 vectors for example here some bring take a new these stigma that's not the same you're not the same as a stigma menial is not the same thing if for
example I take the the water 3 matrix supplement a 1 3 matrix all of this will be a 1 B 3 1 3 matrix element of this over 1 3 component of this will be a 3 D B 1 serve and not the same thing a newbie soup where a Rabin meals but both of them transformers cancers you could end the result is still cancer but it is not an object which is just a product 2 vectors in and all other things you could some 3rd vector and you could add some 3rd and fought back an Arab it seemed doomed DEC admire see nude these segment is concerned with you and some previous still transform so not every cancer is just a 2 sectors but every cancer transformed the same weight as a proper tent the directors got a mild Toulouse special qualities at centuries of rank rank to to a special kinds of called In isometric and symmetric and a symmetric tensor is 1 that has a property team you know equals team meal this symmetric sorry that's a magic at says that she won truly cost c 2 1 symmetric it doesn't in this case it doesn't matter which ordered you put be indices that's called a symmetric tensor rank to an end the isometric Frank 0 is 1 which changes sign you change your work Internet matrices they correspond symmetric in a nearby symmetric matrices so we take a symmetric tensor and we display hats all 16 components of it that it will have the property that it will be symmetric the 1 to element over here will be the same as the key did to 1 element of the he's the 1 1 element will be whatever it is the choo-choo Alimento be whatever it is that they're C-130 will equal T-3 1 team on free will be the same matrix Ohio a symmetry biggest symmetric matrix which means that the components off diagonal will reflect the whichever that's a symmetric matrix Vermont just thing for us today the next time is going to be in 3 matrix What about the investor that the property will be reflected changes sign he won 3 is minus T-3 1 what about T-1 1 it's gotta be minus T 1 1 2 1 1 must be might be 1 1 on his mind he won more than a year die symmetric matrix must have 0 I was on that at all zeros on the bed but now and then off diagonal he want to see 1 3 he warned 0 stoic nicely don't make a nice big matrix subdivided for subdivided it before and its components isn't isometric cancer diagonal elements off the B 0 that's because he won 1 must equal minus or more and the other hand T 1 0 0 has equal minus to what she wanted to appear and he want to over here this is my 1 3 miners he 1 3 and finally see 1 0 minus 1 0 about over here here we have T 2 1 and here must be my who won t truly 0 ish the latest T 2 0 0 and finally down hero ahead of key c 3 0 my mystique 3 0 Source and the isometric which means that when you reflect the about the bag with changes and symmetric also means that changes signed when you interchanges to industries browser called symmetric Annie and isometric cancers now I'm really how only interesting components does a symmetric cancer have looked counter symmetric cancer as for diagonal components 1 2 3 4 1 and then harmony often components works of art there are of course 16 components altogether but the component over here is not independent of the component over here so really the independent components number of numbers that you need to know is 1 2 3 4 5 6 7 8 9 right now 1 2 0 3 4 5 6 7 8 9 10 attained independent components determine asymmetric cancer so what nothing but how many and Annie and isometric cancer but while entice magic cancer bag so we could track only this minute this this and this zeros on the diagonal and the other one's or from the other half of the matrix yo determined in terms of companies that 6 sex as the number of components of the electric and magnetic field that's a number of components of electric and magnetic fields this is only object that you could construct be enticed to metric tensor it is in fact he only an object that has 6 components which transforms while you could take 6 6 are full of vector to scale areas but there were also have 6 years but none of those Our correspond to the electric and magnetic field electric and magnetic field form a but it cancer symmetric cancer however that can't symmetric consider we want understand this equation here and there How will it transforms the Lorentz transformation now it has transformed the complicated what that means of electric and magnetic fields of transformed To richer like elegant finished now I'm good putts go fast I'm right down the next time right down the precise relationship over the riders will derive on the right now right down the precise relationship between me and isometric cancer and opponents of electric and magnetic field how the components of electric and magnetic field combine themselves together make a name that metric tensor we take our for all but 4 matrix Dawson guidelines of nowhere elements are zeros on the diagonal the off diagonal I don't need to specify both above and below 0 once I specify above you could 3 or 4 Pelotas changing the site a repair more visitors Our 1 2 3 0 1 2 3 0 X Y Z T this is the 1 to component In the until component we play my the 3rd component of the magnetic field B Z but say that I put a 3rd component of
want to place we put the 3rd component of the magnetic field and the 1 Place we but the 2nd component of the magnetic field white component magnetic field guess guesswork goes down here then he goes minus the 1st component of magnetic field so we don't have time to read in that time we only had 1 2 and 3 then be enticed symmetric cancel only have 3 components and mostly components would be identified with the 3 components of the magnetic field we we'll discuss this further prefer time being this it is we set up for the way that the magnetic field enters into a and symmetric tensor that was not my class minus will see White who did up this could be this could be busy component this could be a white component for would-be missile BVX component and then we were right x y z time so too meant young workers right now we have 3 trees over here 3 more entries obviously those entries must have something to do with electric field of course they do he X U Y easy the son yacht but just put a more profound here just about where plus busy here penis BY here my EXE a plus BXC let's see if my interest you and easy so it's now that 6 independent components fills out a but won't make example symmetric by former Turks with electric fields in the time slot here and magnetic fields in the space space-based slots the Space Space components of magnetic field is based on component of electric fields now why is this house I know this has anybody know it will come to back next are and what they the knowledge base fiddling around and trying to find a sensible Hey Our relativistic generalization of this formula here so the next time we work that out will work out at equals an 80 foot particle electric and magnetic field in relativistic notation incidentally this followed by 4 matrix here is not usually called team you know it's called afternoon I don't know the history of whatever Y F is called a half but I suspect Barrett I suspect that stood the cancer yeah it's and isometric and it's composed of the magnetic and electric fields I'm going to use it as a threat that life is components of the field the components of a field they'll sell the here what's left just concentrate on a magnetic Putthividhya but serves as both events around the Times staff and get rid of it for a moment this now just constitutes a three-dimensional members of the potential of a house it now much like the equation is equations that F 1 2 0 is equal to mine is busy all miners B 3 3 said 3 z next F 1 3 In whose busy plaster finally F what's the last 1 Baroney unless 1 is 2 3 2 3 is equal to be X factor for me this is ready yes minus B 1 be too OK now I can write this In nice of former former you'll see the pattern let's right this 1 as F 1 3 but where have as my years at 3 1 at a time like this is my S 3 1 that I have that f 3 1 in his beat you an F 2 3 years might be 1 by what see in that former alike about it now works let's let's start with the equation F 1 truly Eagles miners being arranged and lets cycle from 1 2 2 2 3 in each spot a about the next equation gold wanted to hold 2 2 3 3 2 1 Clark Clark goes around the circle 1 2 3 and let's proceed clockwise right next equation down Everything motorcycle word so what would happen to anyone because ritual the rate will happen 3 miners 1 Watson X 1 1 to the next would be 3 3 2 3 1 2 equals minus 3 1 2 well with any luck at all that will be exactly what we out fear of of . 2 with my 3 3 1 the minors 2 former upstairs downstairs forget that left 2 3 as miners B 1 so this has a very nice structure the 1 to component of the cancer is the 3rd component of the magnetic field to 3 component of the cancer is 1 component and cycles 1 2 3 2 3 1 3 1 2 so could always remember all you have to remember is 1 of them and the others will follow just by cycling media members wanted to 3 other electric field different the electric fields he what it is equal F 1 0 0 2 0 0 is F 2 0 83 is F 3 0 0 0 so the elected Olds on vectors where you just ignore the time component and you see what the index structure is you want is F 1 0 0 2 is at 2 0 0 3 3 0 magnetic field a little more complicated the someday might notice to magnetic field seems have to identity it has an identity president and isometric cancer was composed and recalled half and has another identity as a kind of that order we three-dimensional vectors Islamist bigger vectors speaking a three-dimensional and has an identity as an investor isolated cancer in 3 dimensions miners b b b assigned here has a 2nd identity as a vector that
room the preceding program is copyrighted by Stanford University please visit us at stanford . edu
Bombe
Magnetisches Dipolmoment
Impulsübertragung
Steckkarte
Institut für Raumfahrtsysteme
Leitungstheorie
Computeranimation
Teilchen
Rotationszustand
Violett
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Klangeffekt
Stunde
Array
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Verpackung
Kaltumformen
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Licht
Elektronisches Bauelement
Proof <Graphische Technik>
Werkzeug
Weiß
Gleichstrom
Bestrahlungsstärke
Lineal
Anstellwinkel
Direkte Messung
Bergmann
Drachenpunkt
Leisten
Erdefunkstelle
Impulsübertragung
Computeranimation
Teilchen
Rotationszustand
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Spiel <Technik>
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Gammabestrahlung
Rundstahlkette
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Jukos
Relativistische Mechanik
Kaltumformen
Windrose
Elektronisches Bauelement
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Trajektorie <Meteorologie>
Übungsmunition
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Werkzeug
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Summer
Magnetisches Dipolmoment
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A6M Zero-Sen
Cocktailparty-Effekt
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Chirp
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Fuß <Maßeinheit>
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Mechanik
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Grubenausbau
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Gebr. Frank KG
Magic <Funkaufklärung>
Magnetisches Dipolmoment
Bergmann
Färber
Spannungsabhängigkeit
Schnittmuster
A6M Zero-Sen
Bildqualität
Jacht
Minute
Teilchen
Kristallgitter
Fuß <Maßeinheit>
Passfeder
Buick Century
Brechzahl
Nachmittag
Bahnelement
Hercules <Flugzeug>
Array
Relativistische Mechanik
Kaltumformen
Entfernung
Elektronisches Bauelement
Lenkflugkörper
Elektrizität
Bett
Platzierung <Mikroelektronik>
Elektronische Medien
Nivellierlatte
Übungsmunition
Magnetische Kraft
Schiffsklassifikation
Weiß
Nassdampfturbine
Großtransformator
Römischer Kalender
Koffer
Source <Elektronik>
Jahr
Matrize <Drucktechnik>
Lichtgeschwindigkeit
Fehlprägung
Stoffvereinigen
Computeranimation
Braun
Bildfrequenz
Fahrgeschwindigkeit
Buick Century
Vorlesung/Konferenz
Brechzahl
Klangeffekt
Steckverbinder
Array
Windrose
Waffentechnik
Elektronisches Bauelement
Rauschzahl
Magnetische Kraft
Formationsflug
Weiß
Großtransformator
Matrize <Drucktechnik>
Jahr
Ersatzteil
Papier
Drosselklappe
Computeranimation