ππͺπ«π Posted January 18, 2024 Author Posted January 18, 2024 4 hours ago, 40Wins said: Pa pola milijarde i nije neka cifra za nesto tako inovativno. Jos ako ispadne od toga nesto drugo, puna saka brade.Β Β Nije ako moze da funkcionise, hyperloop ne moze da funkcionise i da bi mogao treba utrositi znatno vise para, a onda se ne dobija zeljeni cilj - brzi i jeftini transport.Β Β Evo ovde ima zasto ne moze da fukncionise https://bigthink.com/starts-with-a-bang/elon-musk-hyperloop/ 1
MeanMachine Posted January 18, 2024 Posted January 18, 2024 (edited) Β Β 4 hours ago, ters said: Β Hvala na informacijama, nisam imao pojma o tome da li je Musk vlasnik hyperloop-a i da li je vlasnik neke od kompanija kojie se bave tom tehnologijom - znam jedino da se nista oko hyperloop-a ne bi desilo da Musk nije pogurao mastu investitora i inzenjera i pokrenuo ih na akciju.Β Β Zli jezici kazu (na osnovu price sa prijateljem Muska) da je Musku vrlo smetala ideja brze pruge LA-SF jer bi po njemu to uticalo na prodaju tesli mladim itejvcima kojima je bitno da brzo putuju a da ne zagadjuju sto bi omogucila brza elektricna vuca.Β Β Elem njegov cuveni white paper je uticao da se bilo kakvi radovi po pitanju brze pruge odloze dok se ne vidi da li hyperloop je stvarno tako dobar kako Musk kaze. Β Inace sama ideja je mnogo starija, Musk je samo promenio oslanjanje umesto magneta ili hidraulike vazdusni jastuk u sistemu u kome se sve vrti oko vakuma, pa ne cudi sto jeΒ Hyperloop One je batalio Muskovo resenje vazdusnog jastuka ili ti prosto ko air hockey sto Musk rece, jer ne funkcionise, ubacili maglev i prakticno su napravili ono sto je deda americkog raketnog programa Robert Goddard predlagao 1930tih a patentirao 1945: Β Β Ovo je deo patenta u kome Godard pominje i maglev (u prvom tekstu koji je napisao se radilo o maglev resenju) ali posto tada nisi imao industrijske superprovodnike maglev je bio nemoguc tj smatrao se tehnologijom buducnosti pa je u patentu predlozio hidraulicnu "levitaciju" kao realnije resenje. Β Musk je predlagao vazduh jer je samo to drugacije od drugih vakumskih vozova da eto moze da kaze ja smislio... sto vazdusni jastuk ne radi nebitno. Β Godard je je inace pravi pravcati inzenjer pa jos raketni, Musk nije iako iz petnih zila pokusava da nas ubedi da jeste. Β Β Β Edited January 18, 2024 by MeanMachine 3
ters Posted January 18, 2024 Posted January 18, 2024 3 hours ago, MeanMachine said: Β Β Β Zli jezici kazu (na osnovu price sa prijateljem Muska) da je Musku vrlo smetala ideja brze pruge LA-SF jer bi po njemu to uticalo na prodaju tesli mladim itejvcima kojima je bitno da brzo putuju a da ne zagadjuju sto bi omogucila brza elektricna vuca.Β Β Elem njegov cuveni white paper je uticao da se bilo kakvi radovi po pitanju brze pruge odloze dok se ne vidi da li hyperloop je stvarno tako dobar kako Musk kaze. Β Inace sama ideja je mnogo starija, Musk je samo promenio oslanjanje umesto magneta ili hidraulike vazdusni jastuk u sistemu u kome se sve vrti oko vakuma, pa ne cudi sto jeΒ Hyperloop One je batalio Muskovo resenje vazdusnog jastuka ili ti prosto ko air hockey sto Musk rece, jer ne funkcionise, ubacili maglev i prakticno su napravili ono sto je deda americkog raketnog programa Robert Goddard predlagao 1930tih a patentirao 1945: Β Β Ovo je deo patenta u kome Godard pominje i maglev (u prvom tekstu koji je napisao se radilo o maglev resenju) ali posto tada nisi imao industrijske superprovodnike maglev je bio nemoguc tj smatrao se tehnologijom buducnosti pa je u patentu predlozio hidraulicnu "levitaciju" kao realnije resenje. Β Musk je predlagao vazduh jer je samo to drugacije od drugih vakumskih vozova da eto moze da kaze ja smislio... sto vazdusni jastuk ne radi nebitno. Β Godard je je inace pravi pravcati inzenjer pa jos raketni, Musk nije iako iz petnih zila pokusava da nas ubedi da jeste. Β Β Β Β Uopste ne ulazim u njegove motive, samo odajem priznanje da sve sto radi uspije da pokrene i ljude i pare - moguce pogresne ljude iΒ tudje pare i sa potpuno drugacijim ciljevima nego sto je javno proklamovano ali stvari se jednostavno pocnu dogadjati kada ih on pogura, promovise ili kako god zelis.Β Β Nisam vidio da drugi celnici najvecih kompanija imaju slican uticaj i doseg. Mislim da ni Bezos, ni Gates, ni Zuckerberg pogotovo ne Buffet, Waltoni i Arnault ne mogu uraditi nista slicno... Na kraju krajeva, i na ovom forumu jedino on ima svoju temu...
ππͺπ«π Posted January 18, 2024 Author Posted January 18, 2024 40 minutes ago, ters said: Β Nisam vidio da drugi celnici najvecih kompanija imaju slican uticaj i doseg. Mislim da ni Bezos, ni Gates, ni Zuckerberg pogotovo ne Buffet, Waltoni i Arnault ne mogu uraditi nista slicno...Β Β Da su zeleli takav uticaj negde i nekad bi bar pokusali. Β Ne znam da li ste primetili ali sto si veca dileja i ekscentrik imas veceg uticaja na masu. Cak ni kada ih ispalis po ko zna koliko puta, sledbenici ne odustaju tako lako.Β 3
bohumilo Posted January 19, 2024 Posted January 19, 2024 (edited) On 12/11/2023 at 4:56 AM, 40Wins said: Ko su ljudi koji rade u SpaceX? Da li su oni prethodno radili u drzavnim agencijama? Da li su oni bolji od ostalih, privoljeni novcem za rad, ili slican kvalitet inzenjera mozemo videti i u drzavnim agencijama, ali je celokupni menadzment ono sto ove kompanije cini brzim jacim boljim? Ono Ε‘to te kompanije Δini "boljima" je u prvom redu sam Ilon. Zapravo reΔ "bolje" je understatment, to nisu firme koje su malo bolje, malo efikasnije, koje imaju mali edΕΎ u odnosu na konkurenciju, pa da bi se tu mogla identifikovati neka partikularna heuristika o tome kako firmu uΔiniti efikasnijom (mada i toga naravno ima na pretek) - to su firme koje rade stvari koje su pre nego Ε‘to su ih napravile smatrane pozitivno nemoguΔim! NEMOGUΔE je smanjiti troΕ‘kove lansiranja 10 PUTA. NEMOGUΔE je proizvesti komercijalno elektriΔko vozilo u Americi. NEMOGUΔE je napraviti satelitski internet, NEMOGUΔE je napraviti komercijalni brain-computer interface itd, isl - to su sve bila opΕ‘teprihvaΔena "znanja" svakog "respektabilnog" Δoveka, Ilonu su se svi rugali zbog ovih stvari, "beΕΎi mali, ne zamajavaj nas", dok odjednom viΕ‘e nije bilo tako smeΕ‘no...TaΔniji opis od toga da su bolje je da te firme nemaju konkurenciju. Ako Δokovic osvaja sve turnire bez izgubljenog seta, a istovremeno kao najbolji igraΔ osvaja svetsko prvenstvo u fudbalu gde Srbija sve dobije 5:0, a istovremeno je najbolji pijanista na svetu i dobija nobelovu nagradu iz fizike i Oskara za najbolji film koji je reΕΎirao - well, do njega je. Β Ovakva kombinacija - koju zatiΔemo kod Ilona - ekstremne inteligencije, fokusiranosti, znanja i oseΔaja za fiziku i inΕΎenjerstvo, energiΔnosti, upornosti, oseΔaja za rizik i trejdofove u razliΔitim kontekstima (od inΕΎenjerstva do biznisa), te vrhunskih epistemoloΕ‘kih kriterijuma i sposobnosti da se odmah prodre do suΕ‘tine (inΕΎenjerske, ljudske, finansijske, menadΕΎerske, logistiΔke ili bilo koje druge) problemske situacije, itd - je neΕ‘to Ε‘to nikada do sada nije zabeleΕΎeno u ljudskoj istoriji. Nema druge osobe na svetu koja zna sve o raketama i o logistiΔkim problemima Aleksandra Makedonskog ili razliΔitih vojski u WWII, koja razume trejdof izmeΔu optimizacije proizvoda i efikasnosti proizvodnje, koja precizno prepoznaje i spremna je da prihvati Ε‘ansu za uspeh od 10% ako je return veΔi od 10X, koja tako dobro procenjuje ljude (Ilon liΔno intervjuiΕ‘e Δak i ΔistaΔice) i alocira svoje i tuΔe vreme (cut the bullshit), itd - i koja radi preko 100 sati nedeljno! Β Mislim da u korenu njegove filozofije leΕΎi neΕ‘to Ε‘to Dejvid DojΔ zove "princip optimizma" - duboka istina da je moguΔe sve Ε‘to nije eksplicitno zabranjeno zakonima fizike, samo uz dovoljno znanja/rada. Odatle dolazi njegovo prepoznavanje da neΕ‘to MOΕ½E bez obzira Ε‘to svi tvrde suprotno. U tom smislu, na primer, on ima koncept "Idiot index" koji meri razliku izmeΔu cene ulaznih komponenti i cene zavrΕ‘nog proizvoda. Visok Idiot index znaΔi da NEGDE stvari mogu puno da se poprave, uz pravo znanje. Rakete su bile tipiΔan primera visokog Idiot indexa, dok ih El Grande nije uzeo pod svoje... Β Β ---------------------------------------------------------- Nekoliko odlomaka iz Maskovih biografija,Β oveΒ (koja postoji i u srpskom prevodu), ove nove i ove knjige o ove knjige o ranim danima SpaceX-a: Spoiler SpaceX needed an actuator that would trigger the gimbal action used to steer the upper stage of Falcon 1. Davis had never built a piece of hardware before in his life and naturally went out to find some suppliers who could make an electromechanical actuator for him. He got a quote back for $120,000. βElon laughed,β Davis said. βHe said, 'That part is no more complicated than a garage door opener. Your budget is five thousand dollars. Go make it work.ββ Davis spent nine months building the actuator. At the end of the process, he toiled for three hours writing an e-mail to Musk covering the pros and cons of the device. The e-mail went into gory detail about how Davis had designed the part, why he had made various choices, and what its cost would be. As he pressed send, Davis felt anxiety surge through his body knowing that heβd given his all for almost a year to do something an engineer at another aerospace company would not even attempt. Musk rewarded all of this toil and angst with one of his standard responses. He wrote back, βOk.β Β The actuator Davis designed ended up costing $3,900 and flew with Falcon 1 into space. Β ------------------------------------------------------------ Musk had to sign off on every expenditure over $10,000. βIt was his money that we were spending, and he was keeping an eye on it, as he damn well should,β Watson said. βHe made sure nothing stupid was happening.β Decisions were made quickly during weekly meetings, and the entire company bought into them. βIt was amazing how fast people would adapt to what came out of those meetings,β Watson said. βThe entire ship could turn ninety degrees instantly. Lockheed Martin could never do anything like that.β Watson continued: Β Β Elon is brilliant. Heβs involved in just about everything. He understands everything. If he asks you a question, you learn very quickly not to go give him a gut reaction. He wants answers that get down to the fundamental laws of physics. One thing he understands really well is the physics of the rockets. He understands that like nobody else. The stuff I have seen him do in his head is crazy. He can get in discussions about flying a satellite and whether we can make the right orbit and deliver Dragon at the same time and solve all these equations in real time. Itβs amazing to watch the amount of knowledge he has accumulated over the years. I donβt want to be the person who ever has to compete with Elon. You might as well leave the business and find something else fun to do. He will outmaneuver you, outthink you, and out-execute you. Β -------------------- Veliki Robert Zubrin: When I met Elon it was apparent to me that although he had a scientific mind and he understood scientific principles, he did not know anything about rockets. Nothing. That was in 2001.Β By 2007 he knew everything about rockets - he really knew everything, in detail. You have to put some serious study in to know as much about rockets as he knows now. This doesn't come just from hanging out with people. Β ---------------------------- When an engineer came to Muskβs cubicle and told him that the air-cooling system for the payload bay of the Falcon 9 would cost more than $3 million, he shouted over to Gwynne Shotwell in her adjacent cubicle to ask what an air-conditioning system for a house cost. About $6,000, she said. So the SpaceX team bought some commercial air-conditioning units and modified their pumps so they could work atop the rocket. Β --------------------------- Β Musk initially relied on textbooks to form the bulk of his rocketry, knowledge. But as SpaceX hired one brilliant person after another, Musk realized he could tap into their stores of knowledge. He would trap an engineer in the SpaceX factory and set to work grilling him about a type of valve or specialized material. βI thought at first that he was challenging me to see if I knew my stuff,β said Kevin Brogan, one of the early engineers. βThen I realized he was trying to learn things. He would quiz you until he learned ninety percent of what you know.β Β People who have spent significant time with Musk will attest to his abilities to absorb incredible quantities of information with near-flawless recall. Itβs one of his most impressive and intimidating skills and seems to work just as well in the present day as it did when he was a child vacuuming books into his brain. After a couple of years running SpaceX, Musk had turned into an aerospace expert on a level that few technology CEOs ever approach in their respective fields. Β ----------------------------------------------------- The absolute worst thing that someone can do is inform Musk that what heβs asking is impossible. An employee could be telling Musk that thereβs no way to get the cost on something like that actuator down to where he wants it or that there is simply not enough time to build a part by Muskβs deadline. βElon will say, fine. Youβre off the project, and I am now the CEO of the project. I will do your job and be CEO of two companies at the same time. I will deliver it,ββ Brogan said. βWhatβs crazy is that Elon actually does it. Every time heβs fired someone and taken their job, heβs delivered on whatever the project was.β Β ------------------------------------------------------ Garrett Reisman: What's really remarkable to me is the breadth of his knowledge. I mean I've met a lot of super super smart people but they're usually super super smart on one thing and he's able to have conversations with our top engineers about the software, and the most arcane aspects of that and then he'll turn to our manufacturing engineers and have discussions about some really esoteric welding process for some crazy alloy and he'll just go back and forth and his ability to do that across the different technologies that go into rockets cars and everything else he does... Β ------------------------------------------ It was an example of Muskβs policy that the designers sketching the shape of the car should work hand in glove with the engineers who were determining how the car would be built. βAt other places I worked,β von Holzhausen says, βthere was this throw-it-over-the-fence mentality, where a designer would have an idea and then send it to an engineer, who sat in a different building or in a different country.β Musk put the engineers and designers in the same room. βThe vision was that we would create designers who thought like engineers and engineers who thought like designers,β von Holzhausen says. Β ------------------------------------------ His focus on cost, as well as his natural controlling instincts, led him to want to manufacture as many components as possible in-house, rather than buy them from suppliers, which was then the standard practice in the rocket and car industries. At one point SpaceX needed a valve, Mueller recalls, and the supplier said it would cost $250,000. Musk declared that insane and told Mueller they should make it themselves. They were able to do so in months at a fraction of the cost. Another supplier quoted a price of $120,000 for an actuator that would swivel the nozzle of the upper-stage engines. Musk declared it was not more complicated than a garage door opener, and he told one of his engineers to make it for $5,000. Jeremy Hollman, one of the young engineers working for Mueller, discovered that a valve that was used to mix liquids in a car wash system could be modified to work with rocket fuel. Β After a supplier delivered some aluminum domes that go on top of the fuel tanks, it jacked up the price for the next batch. βIt was like a painter who paints half your house for one price, then wants three times that for the rest,β says Mark Juncosa, who became Muskβs closest colleague at SpaceX. βThat didnβt make Elon too enthusiastic.β Musk referred to it as βgoing Russianβ on him, as the rocket hucksters in Moscow had done. βLetβs go do this ourselves,β he told Juncosa. So a new part of the assembly facility was added to build domes. After a few years, SpaceX was making in-house 70 percent of the components of its rockets. Β ....................... Β Koliko Δujem Ajzaksonova knjiga bi trebalo takoΔe da se pojavi i u srpskom izdanju... Β Β btw, poΕ‘to je to bilo prvo pitanje, inΕΎenjeri u SpaceX dolaze uglavnom iz drugih privatnih kompanija, ne nuΕΎno Δak ni raketaΕ‘kih, nekima je to i prvi posao, svi uΔe na poslu itd, tu nema neke prevelike mistike... Edited January 19, 2024 by bohumilo 2
deez nuts. Posted January 19, 2024 Posted January 19, 2024 Ekstremno inteligentni free speech absolutist je uspeo da jos jednom smanji vrednost svoje igracke. Od prvobitnih 44, X procenjen od strane Fidelity-a na 12,5 milijardi. Haha 1
Dzoni_m Posted January 19, 2024 Posted January 19, 2024 Nikada nije vredio 44. Ne vredi ni tih 12. Vredela je kao propagandni alat dok je mogao da brani jednima da pricaju a druge stiti. Sada kada ne moze, vredi kao i svaki drugi messenger.Β 1
ππͺπ«π Posted January 20, 2024 Author Posted January 20, 2024 19 hours ago, deez nuts. said: Ekstremno inteligentni free speech absolutist je uspeo da jos jednom smanji vrednost svoje igracke. Od prvobitnih 44, X procenjen od strane Fidelity-a na 12,5 milijardi. Haha Β Tesla prosle godine izgubila vrednost od oko 94 milijarde.Β Β 1
nonick Posted January 20, 2024 Posted January 20, 2024 On 1/19/2024 at 5:02 AM, bohumilo said: Ono Ε‘to te kompanije Δini "boljima" je u prvom redu sam Ilon. Zapravo reΔ "bolje" je understatment, to nisu firme koje su malo bolje, malo efikasnije, koje imaju mali edΕΎ u odnosu na konkurenciju, pa da bi se tu mogla identifikovati neka partikularna heuristika o tome kako firmu uΔiniti efikasnijom (mada i toga naravno ima na pretek) - to su firme koje rade stvari koje su pre nego Ε‘to su ih napravile smatrane pozitivno nemoguΔim! NEMOGUΔE je smanjiti troΕ‘kove lansiranja 10 PUTA. NEMOGUΔE je proizvesti komercijalno elektriΔko vozilo u Americi. NEMOGUΔE je napraviti satelitski internet, NEMOGUΔE je napraviti komercijalni brain-computer interface itd, isl - to su sve bila opΕ‘teprihvaΔena "znanja" svakog "respektabilnog" Δoveka, Ilonu su se svi rugali zbog ovih stvari, "beΕΎi mali, ne zamajavaj nas", dok odjednom viΕ‘e nije bilo tako smeΕ‘no...TaΔniji opis od toga da su bolje je da te firme nemaju konkurenciju. Ako Δokovic osvaja sve turnire bez izgubljenog seta, a istovremeno kao najbolji igraΔ osvaja svetsko prvenstvo u fudbalu gde Srbija sve dobije 5:0, a istovremeno je najbolji pijanista na svetu i dobija nobelovu nagradu iz fizike i Oskara za najbolji film koji je reΕΎirao - well, do njega je. Β Ovakva kombinacija - koju zatiΔemo kod Ilona - ekstremne inteligencije, fokusiranosti, znanja i oseΔaja za fiziku i inΕΎenjerstvo, energiΔnosti, upornosti, oseΔaja za rizik i trejdofove u razliΔitim kontekstima (od inΕΎenjerstva do biznisa), te vrhunskih epistemoloΕ‘kih kriterijuma i sposobnosti da se odmah prodre do suΕ‘tine (inΕΎenjerske, ljudske, finansijske, menadΕΎerske, logistiΔke ili bilo koje druge) problemske situacije, itd - je neΕ‘to Ε‘to nikada do sada nije zabeleΕΎeno u ljudskoj istoriji. Nema druge osobe na svetu koja zna sve o raketama i o logistiΔkim problemima Aleksandra Makedonskog ili razliΔitih vojski u WWII, koja razume trejdof izmeΔu optimizacije proizvoda i efikasnosti proizvodnje, koja precizno prepoznaje i spremna je da prihvati Ε‘ansu za uspeh od 10% ako je return veΔi od 10X, koja tako dobro procenjuje ljude (Ilon liΔno intervjuiΕ‘e Δak i ΔistaΔice) i alocira svoje i tuΔe vreme (cut the bullshit), itd - i koja radi preko 100 sati nedeljno! Β Mislim da u korenu njegove filozofije leΕΎi neΕ‘to Ε‘to Dejvid DojΔ zove "princip optimizma" - duboka istina da je moguΔe sve Ε‘to nije eksplicitno zabranjeno zakonima fizike, samo uz dovoljno znanja/rada. Odatle dolazi njegovo prepoznavanje da neΕ‘to MOΕ½E bez obzira Ε‘to svi tvrde suprotno. U tom smislu, na primer, on ima koncept "Idiot index" koji meri razliku izmeΔu cene ulaznih komponenti i cene zavrΕ‘nog proizvoda. Visok Idiot index znaΔi da NEGDE stvari mogu puno da se poprave, uz pravo znanje. Rakete su bile tipiΔan primera visokog Idiot indexa, dok ih El Grande nije uzeo pod svoje... Β Β ---------------------------------------------------------- Nekoliko odlomaka iz Maskovih biografija,Β oveΒ (koja postoji i u srpskom prevodu), ove nove i ove knjige o ove knjige o ranim danima SpaceX-a: Β Hide contents SpaceX needed an actuator that would trigger the gimbal action used to steer the upper stage of Falcon 1. Davis had never built a piece of hardware before in his life and naturally went out to find some suppliers who could make an electromechanical actuator for him. He got a quote back for $120,000. βElon laughed,β Davis said. βHe said, 'That part is no more complicated than a garage door opener. Your budget is five thousand dollars. Go make it work.ββ Davis spent nine months building the actuator. At the end of the process, he toiled for three hours writing an e-mail to Musk covering the pros and cons of the device. The e-mail went into gory detail about how Davis had designed the part, why he had made various choices, and what its cost would be. As he pressed send, Davis felt anxiety surge through his body knowing that heβd given his all for almost a year to do something an engineer at another aerospace company would not even attempt. Musk rewarded all of this toil and angst with one of his standard responses. He wrote back, βOk.β Β The actuator Davis designed ended up costing $3,900 and flew with Falcon 1 into space. Β ------------------------------------------------------------ Musk had to sign off on every expenditure over $10,000. βIt was his money that we were spending, and he was keeping an eye on it, as he damn well should,β Watson said. βHe made sure nothing stupid was happening.β Decisions were made quickly during weekly meetings, and the entire company bought into them. βIt was amazing how fast people would adapt to what came out of those meetings,β Watson said. βThe entire ship could turn ninety degrees instantly. Lockheed Martin could never do anything like that.β Watson continued: Β Β Elon is brilliant. Heβs involved in just about everything. He understands everything. If he asks you a question, you learn very quickly not to go give him a gut reaction. He wants answers that get down to the fundamental laws of physics. One thing he understands really well is the physics of the rockets. He understands that like nobody else. The stuff I have seen him do in his head is crazy. He can get in discussions about flying a satellite and whether we can make the right orbit and deliver Dragon at the same time and solve all these equations in real time. Itβs amazing to watch the amount of knowledge he has accumulated over the years. I donβt want to be the person who ever has to compete with Elon. You might as well leave the business and find something else fun to do. He will outmaneuver you, outthink you, and out-execute you. Β -------------------- Veliki Robert Zubrin: When I met Elon it was apparent to me that although he had a scientific mind and he understood scientific principles, he did not know anything about rockets. Nothing. That was in 2001.Β By 2007 he knew everything about rockets - he really knew everything, in detail. You have to put some serious study in to know as much about rockets as he knows now. This doesn't come just from hanging out with people. Β ---------------------------- When an engineer came to Muskβs cubicle and told him that the air-cooling system for the payload bay of the Falcon 9 would cost more than $3 million, he shouted over to Gwynne Shotwell in her adjacent cubicle to ask what an air-conditioning system for a house cost. About $6,000, she said. So the SpaceX team bought some commercial air-conditioning units and modified their pumps so they could work atop the rocket. Β --------------------------- Β Musk initially relied on textbooks to form the bulk of his rocketry, knowledge. But as SpaceX hired one brilliant person after another, Musk realized he could tap into their stores of knowledge. He would trap an engineer in the SpaceX factory and set to work grilling him about a type of valve or specialized material. βI thought at first that he was challenging me to see if I knew my stuff,β said Kevin Brogan, one of the early engineers. βThen I realized he was trying to learn things. He would quiz you until he learned ninety percent of what you know.β Β People who have spent significant time with Musk will attest to his abilities to absorb incredible quantities of information with near-flawless recall. Itβs one of his most impressive and intimidating skills and seems to work just as well in the present day as it did when he was a child vacuuming books into his brain. After a couple of years running SpaceX, Musk had turned into an aerospace expert on a level that few technology CEOs ever approach in their respective fields. Β ----------------------------------------------------- The absolute worst thing that someone can do is inform Musk that what heβs asking is impossible. An employee could be telling Musk that thereβs no way to get the cost on something like that actuator down to where he wants it or that there is simply not enough time to build a part by Muskβs deadline. βElon will say, fine. Youβre off the project, and I am now the CEO of the project. I will do your job and be CEO of two companies at the same time. I will deliver it,ββ Brogan said. βWhatβs crazy is that Elon actually does it. Every time heβs fired someone and taken their job, heβs delivered on whatever the project was.β Β ------------------------------------------------------ Garrett Reisman: What's really remarkable to me is the breadth of his knowledge. I mean I've met a lot of super super smart people but they're usually super super smart on one thing and he's able to have conversations with our top engineers about the software, and the most arcane aspects of that and then he'll turn to our manufacturing engineers and have discussions about some really esoteric welding process for some crazy alloy and he'll just go back and forth and his ability to do that across the different technologies that go into rockets cars and everything else he does... Β ------------------------------------------ It was an example of Muskβs policy that the designers sketching the shape of the car should work hand in glove with the engineers who were determining how the car would be built. βAt other places I worked,β von Holzhausen says, βthere was this throw-it-over-the-fence mentality, where a designer would have an idea and then send it to an engineer, who sat in a different building or in a different country.β Musk put the engineers and designers in the same room. βThe vision was that we would create designers who thought like engineers and engineers who thought like designers,β von Holzhausen says. Β ------------------------------------------ His focus on cost, as well as his natural controlling instincts, led him to want to manufacture as many components as possible in-house, rather than buy them from suppliers, which was then the standard practice in the rocket and car industries. At one point SpaceX needed a valve, Mueller recalls, and the supplier said it would cost $250,000. Musk declared that insane and told Mueller they should make it themselves. They were able to do so in months at a fraction of the cost. Another supplier quoted a price of $120,000 for an actuator that would swivel the nozzle of the upper-stage engines. Musk declared it was not more complicated than a garage door opener, and he told one of his engineers to make it for $5,000. Jeremy Hollman, one of the young engineers working for Mueller, discovered that a valve that was used to mix liquids in a car wash system could be modified to work with rocket fuel. Β After a supplier delivered some aluminum domes that go on top of the fuel tanks, it jacked up the price for the next batch. βIt was like a painter who paints half your house for one price, then wants three times that for the rest,β says Mark Juncosa, who became Muskβs closest colleague at SpaceX. βThat didnβt make Elon too enthusiastic.β Musk referred to it as βgoing Russianβ on him, as the rocket hucksters in Moscow had done. βLetβs go do this ourselves,β he told Juncosa. So a new part of the assembly facility was added to build domes. After a few years, SpaceX was making in-house 70 percent of the components of its rockets. Β ....................... Β Koliko Δujem Ajzaksonova knjiga bi trebalo takoΔe da se pojavi i u srpskom izdanju... Β Β btw, poΕ‘to je to bilo prvo pitanje, inΕΎenjeri u SpaceX dolaze uglavnom iz drugih privatnih kompanija, ne nuΕΎno Δak ni raketaΕ‘kih, nekima je to i prvi posao, svi uΔe na poslu itd, tu nema neke prevelike mistike... Β Vidim izbrisao si da Elon intervijuse i cistacice π Β Licno poznajem troje koje rade/radili za Teslu. Jedan je neki CNC manufaturing manager (jedan od glavnih za programiranje in house manufacturing-a, covek je najbistriji programer kojeg sam upoznao u zivotu). Drugi je robot programer/automation programer kod energy division a treci (skoro familija) radio (inzenjer) na baterijama za model S. Ni jedan nije imao interviju sa Ilonom, mozdas rekli zdravo ako su se sreli, cak vise neki upste i nece da imaju puno posla sa njim. Β Medjutim stoji da je covek genije za inovaciju, proizvodnju i project managment. Moj biznis partner i ja se jos uvek cudimo kako su brzo sagradili Kinesku fabriku, za manje od godinu dana. Mi ponekad ne mozemo da dizajniramo i napravimo neki spravu koja je 10 miliona puta jesnostavinje od toga za 3-4 meseca. Da se vratimo na inovacije i ulaganja. Jedna kompanija kompanija za koje smo radili prototipe skoro 4 godina, a poceli su 2012-te, jos ni dan danas nemaju nista na trzistu (a nikad nece ni imati, u pitanuu je neki heat-exchanger). Za to vreme je Ilon vec poslao ni ne znam koliko raketa u svemir.Β Β Β Β Β
bohumilo Posted January 20, 2024 Posted January 20, 2024 (edited) 6 hours ago, nonick said: Vidim izbrisao si da Elon intervijuse i cistacice π Nisam izbrisao niΕ‘ta, to je jedna od stvari koje sam zapamtio ΔitajuΔi nekoliko njegovih biografija i knjiga o pojediniΔanim biznisima. Citat, recimo, odavde: Β He interviewed almost every one of SpaceXβs first one thousand hires, including the janitors and technicians, and has continued to interview the engineers as the companyβs workforce swelled. Β Β ------------------------------------------------------------------------------------ Ali drugo neΕ‘to. Prema juΔe objavljenim podacima u Evropi je proΕ‘le godine prvi put najprodavanije vozilo bilo elektriΔno. Model Y - sa rastom prodaje veΔim od 100%: Β U SAD, kada su u pitanju elektriΔni automobili podaci o prodaji stoje ovako: Β 1. Tesla Model Y (385,900 units sold, estimated) 2. Tesla Model 3 (232,700 units sold, estimated) 3. Chevrolet Bolt EV/Bolt EUV (62,045 units sold) 4. Rivian R1T/R1S (47,200 units sold, estimated) ... Β Ovo je dovelo do toga da vrednost Teslinog stoka (TSLA) u 2023. poraste za viΕ‘e od 100%! Β Ε to se tiΔe statistike uspeΕ‘nih lansiranja u 2023. - bilo ih je 211, od Δega SpaceX 96, Ε‘to je naravno apsolutni godiΕ‘nji rekord! 45%!Β Δestrdesetpet posto! ViΕ‘e nego Kina, Rusija i Indija zajedno! Od svih aktivnih satelita preko 50% su El Grandeovi - preko 5000 satelita! Β Valuacija SpaceX-a je na kraju godine porasla na 180 milijardi dolara - Ε‘to je postala najveΔa IPO valuacija neke kompanije u ljudskoj istoriji. Β Zbog svih ovih stvari Maskova liΔna "neto vrednost" je porasla negde oko neverovatnih 250 milijardi dolara (dostigavΕ‘i u jednom trenutku tokom godine i 320 milijardi) - joΕ‘ jedna od njegovih jedinstvenosti je da mu portfolio Δine gotovo iskljuΔivo deonice NJEGOVIH firmi. Da bi se ova cifra razumela u perspektivi - to je otprilike oko zbirnog GDP-a Srbije iz poslednje 4 godine, ili oko 2.5 PUTA ukupne vrednosti SVIH stambenih jedinica u Srbiji [1]. To je mera dodatne vrednosti njegovog liΔnog inputa za ljudsku civilizaciju, i, to uvek kaΕΎem, treba biti zahvalan Ε‘to ΕΎivimo u jedinstvenom vremenskom trenutku gde postoji mesto gde je ovakvo neΕ‘to moguΔe. U svakom drugom vremenu i mestu on bi davno bio zatuΔen plemenskim toljagama i izboden vilama, i niΕ‘ta od njegovih proizvoda ne bismo imali. Β Β Drugo, poslednja godina dana - i malo jaΔe, od kada je otΔepljen Tviter - deluje kao da se Zapad otΔepljava: trenutno imamo nekoliko neverovatnih tehnoloΕ‘kih proboja koje palanka nije uspela da zaustavi, od AI-a preko satelitskog interneta do biotehnologije/vakcina i vraΔanja nuklearna energija itd. Palanka ne uspeva ne zato Ε‘to neΔe veΔ zato Ε‘to deluje da se rast prvi put od 1971. toliko ubrzao da ne moΕΎe da ga stigne - da li se radi o nekom pandanu druge kosmiΔke brzine videΔemo brzo. Ali ako i u 21. veku budemo imali roaring 20s mislim da je jasno Ε‘ta Δe biti njihiv simbol: Β Β [1] ovaj podatak ne postoji nigde, do otpriliΔne cifre o tome da je ukupna vrednost stambenog prostora u Srbiji negde oko 100 milijardi dolara je doΕ‘ao kolega koji je preko tog zadatka pokuΕ‘ao studentima da objasni logiku reΕ‘avanja Δuvenih "fermijevih problema" koji od ispitanika zahtevaju da procene veliΔine o kojima nikada nisu razmiΕ‘ljali (koliko ima klavir Ε‘timera u Δikagu, koliko se godiΕ‘nje proizvede fudbalskih lopti ili kvadrata pice na svetu, itd) a koje na dobar naΔin testiraju inteligenciju, numeriΔnost, analitiΔnost itd, te predstavljau gotovo savrΕ‘en test recimo na razgovorima za posao i sliΔno... Edited January 20, 2024 by bohumilo 1 1
Dragan Posted February 16, 2024 Posted February 16, 2024 Ispostavilo se da je cybertuck sklon rdjanju Tesla plasira svoj Cybertruck kao vozilo buduΔnosti. Sam Elon Mask kaΕΎe da je dizajn inspirisan ΕΎanrom Cyberpunk filmovima kao Ε‘to je "Blade Runner". MeΔutim, da li je elektriΔni kamion zaista dobro opremljen za ΕΎivot u postapokaliptiΔnom svetu, Δini se da je to najblaΕΎe reΔeno sumnjivo. Telo je moΕΎda otporno na metke, ali ne moΕΎe da se suprotstavi podmukloj opasnosti odozgo: kiΕ‘i. Kako brojni vlasnici Cybertruck-a izveΕ‘tavaju na internet forumima, njihovo vozilo poΔinje da rΔa posle samo nekoliko nedelja. Β AΕΎuriranje softvera za 1,6 milijuna automobila Kineski regulator trΕΎiΕ‘ta naredio je Tesli da povuΔe modele S, X, 3 i Y. Postoje problemi sa sustavom pomoΔi u voΕΎnji i zakljuΔavanjem vrata. Β Sigurnosni nedostatak: Tesla mora povuΔi viΕ‘e od dva milijuna vozila zbog veliΔine slova Β Koji idiot. Elon Musk says US should stop helping Ukraine defend itself against Russian invasion Β
ππͺπ«π Posted February 16, 2024 Author Posted February 16, 2024 11 minutes ago, Dragan said: Β AΕΎuriranje softvera za 1,6 milijuna automobila Kineski regulator trΕΎiΕ‘ta naredio je Tesli da povuΔe modele S, X, 3 i Y. Postoje problemi sa sustavom pomoΔi u voΕΎnji i zakljuΔavanjem vrata. Β Β Danas sam usla u postu i kada sam se vratila paktreger je bio otvoren i to je vec drugi put da se desava.Β
Eddard Posted February 16, 2024 Posted February 16, 2024 20 minutes ago, ππͺπ«π said: Β Danas sam usla u postu i kada sam se vratila paktreger je bio otvoren i to je vec drugi put da se desava.Β Β Β Jao, paktreger, pa ti si floriΔanska VojvoΔankaΒ π. 1
ππͺπ«π Posted February 16, 2024 Author Posted February 16, 2024 1 hour ago, Eddard said: Β Β Jao, paktreger, pa ti si floriΔanska VojvoΔankaΒ π. Β Da me cujes trebalo bi 10 sekundi, a ne 10 godina da to zakljucisΒ βΊοΈ 2
Kronostime Posted February 16, 2024 Posted February 16, 2024 2 hours ago, Eddard said: Β Β Jao, paktreger, pa ti si floriΔanska VojvoΔankaΒ π. Β Jedared je Baby biia kum, svirci su nas Δekali uz drum Red bi bio da smo konje upregli u Δeze, al taljige vole Baby, joj JoΕ‘ kad sitno iz Ε‘araga krokodil zareΕΎi Ondak ΕΎivot nema mana, brΕΎi smo od aeroplana, hej, hej, hej, hej, heej! Β
ππͺπ«π Posted February 20, 2024 Author Posted February 20, 2024 Piece of... je bio suspendovao nalog zeni Navaljnog, pa kada se proculo i ljudi poceli da pisu o tome, nalog je reaktiviran... sve u cilju slobode govora.Β Β https://www.bbc.com/news/world-europe-68350222 Β 1
deez nuts. Posted February 20, 2024 Posted February 20, 2024 Jasno je od prvog dana da je Putinov i Trampov shill.Β 2
Dzoni_m Posted February 20, 2024 Posted February 20, 2024 Ajde ne dramite, suspenzija je bila automatska neki od zastitnih mehanizama je blokirao nalog iz ko zna kog razloga, vracen je odmah cim je osoba sela i proverila rucno. Pravite od komarca magarca. Desava se svaki dan, od twitera do bankovnih racuna. Nije prijatno ali bolje false positive nego neko da zloupotrebi. 2
ππͺπ«π Posted February 21, 2024 Author Posted February 21, 2024 12 hours ago, Dzoni_m said: Ajde ne dramite, suspenzija je bila automatska neki od zastitnih mehanizama je blokirao nalog iz ko zna kog razloga, vracen je odmah cim je osoba sela i proverila rucno. Pravite od komarca magarca. Desava se svaki dan, od twitera do bankovnih racuna. Nije prijatno ali bolje false positive nego neko da zloupotrebi. Β "defense mechanism against manipulation"... sure Β Mislim, mogu da banuju koga hoce, njihova platforma, njihova pravila, njihova stvar... ali posle svih onih bs koji se pojavljuju tamo, neka ne prica da je za slobodu govora jer ga to cini licemerom.Β
Kronostime Posted February 21, 2024 Posted February 21, 2024 Automatika na tviteru cini svoje: ako suvise njih prijavi neki post ili autora - sledi mu privremena ili trajna blokada. Tek kada se digne buka onda se aktiviraju moderatori i razmatraju situaciju. Ne mislite valjda da neka grupa ljudi cita sve objave na tviteru? Nije to forumce sa brdovitog Balkana gde se pokace clanovi i oko nacina zamene sijalica.
ππͺπ«π Posted February 21, 2024 Author Posted February 21, 2024 6 hours ago, Kronostime said: Automatika na tviteru cini svoje: ako suvise njih prijavi neki post ili autora - sledi mu privremena ili trajna blokada. Tek kada se digne buka onda se aktiviraju moderatori i razmatraju situaciju. Ne mislite valjda da neka grupa ljudi cita sve objave na tviteru? Nije to forumce sa brdovitog Balkana gde se pokace clanovi i oko nacina zamene sijalica. Β To je cena kad svedes kompaniju na jednu kancelariju ljudi. Kako ce zastititi sada od automatizma posto verujem da ce svaki post (u ovom slucaju njen) isti botovi da prijavljuju?Β
Eddard Posted February 21, 2024 Posted February 21, 2024 5 minutes ago, ππͺπ«π said: Β To je cena kad svedes kompaniju na jednu kancelariju ljudi. Kako ce zastititi sada od automatizma posto verujem da ce svaki post (u ovom slucaju njen) isti botovi da prijavljuju?Β Β Tako Ε‘to ΔeΕ‘ nalog da izdvojiΕ‘ iz automatskog blokiranja. Piece of cake.
ππͺπ«π Posted February 21, 2024 Author Posted February 21, 2024 3 minutes ago, Eddard said: Β Tako Ε‘to ΔeΕ‘ nalog da izdvojiΕ‘ iz automatskog blokiranja. Piece of cake. Β Odlicno. Bas jednostavni sofisticirani softver koji na kraju mora ipak da ukljuci intervenciju zive osobe...Β
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