Raquel Kney @RaquelKn

How a car differential works, 1937

LIVE: @astro_anil and @Soph_astro are going on a spacewalk to replace an antenna outside the International Space Station. Today's six-and-a-half-hour spacewalk is scheduled to begin at around 8:35am ET (1235 UTC). x.com/i/broadcasts/1…

@accuweather @AaronRigsbyOSC 🙏😥 Havaí - É muito triste! ❤️

“Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.” - William Paul Thurston.

"The creative principle of science resides in mathematics." -- A. Einstein (1879 - 1955)

This never gets old. Ever.

“We may in fact regard geometry as the most ancient branch of physics.” — Albert Einstein

Gravity is not a force, It is geometry. This is one of the best demonstrations of General Relativity ever captured on video.

Today marks 49 years since the passing of the legendary Elvis Presley. One of the greatest performers of all time. Never forgotten.

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@Cardoso Que ideia legal! Cada trabalho lindo! Parabéns, bom de ouvir! 👏

Removi a parte instrumental de várias músicas. Incrível como alguns artistas sustentam a ponto do instrumental ser irrelevante.

@historyrock_ Que interpretação! Um espetáculo! Bravo, bravíssimo 👏👏👏

On this day in 1977, the iconic King of Rock and Roll, Elvis Presley, passed away at the age of 42. This was one of his last concerts.

BREAKING: SpaceX receives FCC approval for Starlink’s first Wi-Fi 7 router. • Wi-Fi 7 with 160 MHz support • Theoretical local Wi-Fi speeds up to 5.19 Gbps • Two LAN ports plus a WAN port • USB-C and Power over Ethernet • Greater capacity for connected devices

Elon Musk shares major updates on @Starlink “Starlink team has built from nothing, an entire global internet system.” “It’s the first high bandwidth global internet system ever to exist.” “Down the road, it’ll probably be, I think, the largest of all internet traffic on Starlink.” “Almost 11,000 satellites in orbit.” “That’s more than twice as many satellites as everyone else combined.” “With the Starlink V3 and beyond, we’ll go to 100,000 satellites.” “We’re now in 167 countries.” “22 million mobile subscribers.” “13 million high bandwidth subscribers.” “Expect these numbers to increase by more than a factor of 10 over time.” “Cloudflare just recently mentioned that based on the current growth, they think probably AI traffic will be 1,000 times more than human internet traffic in five years.” “We’ve got Starshield, which has become a vital part of national security.” “The Starshield team has done amazing work, and it is now a vital part of America’s national security.”

ELON MUSK ON BUILDING A “STAR MIND” POWERED BY THE SUN “We’ve already built the most powerful AI training clusters in the world. And then what we expect to do by the end of next year is about 10 times more than what we’ve done thus far. This will be very important practice for space AI. And I do think that AI training will continue to be on the ground, but AI inference, the day-to-day use of AI, will be in space. So we’re aiming to get to 10 gigawatts by the end of next year. This is depending on what the value per watt is. If the value per watt is probably going to be $30 to $50, which means if we bring 10 gigawatts of AI online by the end of next year, it will be $300 to $500 billion a year in revenue. Big numbers. And sometimes I wonder, what is our purpose? And it could be that the purpose of humanity is to give birth to a star mind, a sentient sun. I don’t know what the AI is going to think about, honestly. It’s a lot of compute. But I guess this is the next step in the evolution of a civilization, is to harness the power of the sun. There was a physicist called Kardashev who argued that you could consider any given civilization on the basis of whether it has been able to harness most of the power of its planet, or most of the power of its sun, or most of the power of its galaxy, and beyond. So that’s what’s going to happen. And we’re going to do it. The factory for star mind will be located nearby, adjacent to us, basically. They just come from space.”

ELON MUSK: The future is fundamentally AI and Robots. “Our AI revenue will exceed all other SpaceX revenue probably in September, like next month, and will significantly exceed all other SpaceX revenue in the fourth quarter. So, AI has become an extremely important part of SpaceX’s future. I think it’s actually vital that we succeed in AI, not just in hardware, but also in software. So, yeah, the future is fundamentally AI and robots. Assuming civilization continues to progress, I think that AI will probably, the amount of digital intelligence will probably be more than a trillion times the amount of biological intelligence. So, not sort of equal to human intelligence, but probably a trillion times higher. I’d say a billion times higher than the amount of artificial intelligence that we have today. I’d say a billion times is an easy prediction, and probably a trillion. So, as you harness more and more of the sun’s energy, the ability to turn that into intelligence is fundamentally a digital computer thing, because it’s pretty hard for humans to go live in deep space without any support. I mean, some of the math is interesting to think about, which is that if you increased civilizational energy usage, the amount of energy that we have harnessed as a civilization by a factor of a million, you would still be using much less than one millionth of the sun’s energy. Now, most of this is in deep space, obviously, but the future is very much AI, very much, and I suppose it was always going to be that way. But it’s important that we have an AI that cares about humanity, that fosters humanity and helps take us to other planets and other star systems, and this is why I think it’s essential that SpaceX succeed, not just with AI hardware, but also with AI software.”

@elonmusk Trabalho, determinação, exemplo admirável! Gratidão!

Terafab Texas will be the largest and most valuable building on Earth by far. And it will be stunningly beautiful.

Absolutamente fantástico o vôo de teste da Starship hoje. Cumpriu todas as metas, lançou 20 satélites, reentrou na atmosfera inteira, fez a manobra de pouso no oceano e quando desligou os motores, a surpresa: normalmente ela cai, atinge a água e explode, dessa vez estava tão intacta que tombou inteira, isso rendeu toneladas de dados extras pros engenheiros.

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