The tweet archive.

“@techdevnotes Just got home from xAI engineering meetings”

“@techdevnotes Long way to go, but Grok 4.20 is starting to get open form engineering questions right”

“Join @xAI [@r0ck3t23] An xAI engineer just described how the company operates, and buried in that description is the only thing that might save Western technological dominance. No organizational overhead. No documentation requirements. No approval chains. You identify what needs building and you… https://x.com/i/web/status/2022491197667774573”

“This bot got hands [@TheCaptainEli] Elon Musk on why Optimus is so brutally hard to build (hardware side): “The hands are the majority of the engineering difficulty of the entire robot.” Human hands evolved insane sophistication — ~27–28 degrees of freedom, complex tendon web (mostly forearm muscles), crazy… https://x.com/i/web/status/2022454161552417263”

“@Math_files CFD has become super good at predicting reality, except for complex, multi-element combustion in a rocket engine”

“Get stuff done @xAI [@Sajwani] This is an engineer from Elon Musk’s xAI … just listen to this guy … this how you as a career starter should think !! GET STUFF DONE ✅”

“@DallasAptGP There are another 30 or so xAI engineers working on the pure AI-based recommendation system”

“RT @DimaZeniuk: xAI opened a new engineering office in Bellevue, Washington at Lincoln Square South https://t.co/WITzjpDJDL”

“True [@teslaownersSV] How Elon Musk ships products at 𝕏: • Ultra-flat organization with massive individual agency — engineers have real ownership and freedom to act. • Build it in a week → ship it — speed is non-negotiable; prototypes turn into live features fast. • Elon runs weekly reviews… https://x.com/i/web/status/2021424354224177499”

“New @xAI office opened in Seattle area [@xDaily] NEWS: xAI opened a new engineering office in Bellevue, Washington at Lincoln Square South, joining OpenAI in the Eastside AI corridor. The company now has offices in the Bay Area, Bellevue, and data centers in Memphis. https://x.com/grok/status/2021179817995948368”

“RT @SERobinsonJr: Hiring for orbital datacenter engineers has begun.”

“Austin is great [@muskonomy] 🚨NEWS: SpaceX hiring engineers in Austin and Seattle to build AI satellites and space data centers. VP of Starlink Engineering Michael Nicolls also revealed a new 230 MeV radiation testing facility in Florida to speed up development across all SpaceX vehicles.”

“RT @hamptonism: Anthropic CEO: Software engineering will be completely obsolete in 6-12 months… https://t.co/EwKq8l7HE7”

“RT @michaelnicollsx: We are also hiring elite engineers at our new 230 MeV cyclotron facility in Florida, where we are bringing single-even…”

“Help take humanity to the stars! [@michaelnicollsx] We are hiring for many critical engineering roles to develop the technologies for AI satellites in space at our facilities in Austin and Seattle. Solar, process, automation, manufacturing, mechanical, electrical, optics, software... come build space data centers with great… https://x.com/i/web/status/2019798204162646199”

“RT @SpaceX: SpaceX has acquired xAI, forming one of the most ambitious, vertically integrated innovation engines on (and off) Earth → https…”

“K2 or you’re not even trying! [@SpaceX] SpaceX has acquired xAI, forming one of the most ambitious, vertically integrated innovation engines on (and off) Earth → http://spacex.com/updates#xai-joins-spacex”

“@teslaownersSV Raptor V4 engines will need to deliver 300 (metric) tons of force for the 33 engines to generate a collective 10,000 tons of force. Note, I use ton to refer to 10,000 Newtons of force. I just don’t like the way tonne-force looks and nobody knows what a Newton is. It also makes… https://t.co/RT2sPAgQdX https://x.com/i/web/status/2018425964141961301”

“@teslaownersSV The Starship V4 ship will have 3 more vacuum engines, making the total stack engine count 42, as foretold in the prophecy”

“@tslaming @Tesla @gigafactories @TeslaZoa Making the dry electrode process work at scale, which is a major breakthrough in lithium battery production technology, was incredibly difficult. Congratulations to the @Tesla engineering, production and supply chain teams and our strategic partner suppliers for this excellent… https://t.co/tkMbtbkgO5 https://x.com/i/web/status/2018064502487482661”

“I worked most of the weekend too. Still do. Only left the Tesla engineering lab in Palo Alto a few hours ago. [@Dogetothemoon] Back in the day, @ElonMusk spent three days at SpaceX and two days at Tesla, and weekends at home with his five sons and his wife. I don't think he had time to hang out with Epstein on the island.”

“Wow [@ianmiles] Spain just legalized 500,000 illegal aliens to “defeat the far-right.” It’s not even a secret anymore. By legalizing 500,000 illegals under the guise of defeating the far-right, Pedro Sánchez is essentially dropping the mask. This is electoral engineering. The logic is simple:… https://x.com/i/web/status/2016845338510754005”

“Starlink melts snow to work in the coldest weather [@Starlink] Engineered for harsh conditions, Starlink melts snow and keeps you connected to high-speed internet 🛰️❄️”

“Stretch goal for Starship V4 is 300 tons of thrust per engine with 33 engines, so 10,000 tons of total thrust. That is 3 times the power of the Saturn V Moon rocket. [@XFreeze] SpaceX’s Starship is already one of the biggest flying objects ever built and it’s still getting bigger • With Starship 4, total size could grow ~10–20% • Raptor thrust jumps ~20%, nearing 9,000 tons at sea level • Enough to send 200+ tons to useful orbit • Fully &… https://x.com/i/web/status/2014607481159463407”

“Join x/xAI! [@XFreeze] 𝕏 is hiring... Join the media team building: • Video Spaces • Live streaming • Video calling • Core video infra for 𝕏​ If you’re an experienced video/media engineer and want to help build the future of video on 𝕏 DM to @cambridgemike”

“Best rocket engine ever: Full-flow, staged combustion 330 bar main chamber pressure Highest T/W Inexpensive to build [@teslaownersSV] SpaceX’s Raptor 3 engine is sublime engineering • No basic heat shield needed → saves mass and dramatically boosts reliability • Small fuel leaks aren’t dangerous — they simply burn off safely in the open plasma • Major improvements in payload capacity, efficiency, and… https://x.com/i/web/status/2014586403200610626”

“Join the @Tesla_Optimus team either in AI or electromechanical engineering! [@julianibarz] Human labor is one of the last bottlenecks to solve to get to unlimited economic growth. We're hiring actively across almost all Optimus teams. Optimus is one of the hardest projects to work on right now that will likely have the biggest impact on human society for the next… https://x.com/i/web/status/2014418323874971741”

“RT @XFreeze: Raptor 3 is a work of art - the most advanced rocket engine ever built When SpaceX unveiled Raptor 3 in 2024, many experts we…”

“Join @xAI and build the best AI-based content recommendation engine (on the way to AGI) [@VastoLorde95] Work in progress”

“@jackfriks The 𝕏 algorithm is built by an @xAI engineering team, not Nikita twiddling knobs”

“RT @teslaownersSV: SpaceX’s Raptor 3 engine is sublime engineering • No basic heat shield needed → saves mass and dramatically boosts reli…”

“RT @cb_doge: xAI is hiring exceptional engineers. Join the fastest growing AI company. See all open roles here: https://t.co/i7HOMMLCh4 Y… http://x.ai/careers/open-roles”

“RT @teslaownersSV: SpaceX’s Raptor 3 engine is sublime engineering • No basic heat shield needed → saves mass and dramatically boosts reli…”

“RT @teslaownersSV: xAI is hiring exceptional engineers. Join one of the fastest-growing AI companies, help build Grok, and get the opportu…”

“@nikitabier @uttam_singhk True, we have a team of engineers working on the AI recommendations”

“Wow [@EricLDaugh] 🚨 JUST IN: NEW POV FOOTAGE released of the Minneapolis ICE agent that shot and killed woman who tried to run him over with her vehicle He was DIRECTLY IN FRONT of the car as she floored it, you can hear the engine rev up The agent then discharged his firearm. CLEAR CUT, CASE… https://x.com/i/web/status/2009682363077509453”

“RT @teslaownersSV: Engineering is magic Starship is the first ever rocket designed to take us to Mars. https://t.co/SZ8GG6g9xK”

“RT @cb_doge: Help build @Grok xAI is hiring exceptional engineers. Join the fastest growing AI company. See all open roles here: https://…”

“True [@CCrowley100] White guilt is the engine of demographic replacement. A people that doubts its right to exist will never resist being replaced. Survival begins where guilt ends. No more White guilt!”

“Jensen rocks! [@cb_doge] "Elon Musk is just an extraordinary engineer, and I love working with him. We're going to build many more computers together. I'm delighted to be working with him. I think the Optimus opportunity is just right around the corner. It's very likely that human robots are going to be… https://x.com/i/web/status/2006676783991787563”

“RT @zerohedge: Obama's Trojan Horse: How His Refugee Machine Engineered The Billion-Dollar Looting Of US Treasury https://t.co/iO52paT8lW https://www.zerohedge.com/political/obamas-trojan-horse-how-refugee-machine-engineered-billion-dollar-looting-us-treasury”

“And this is how anyone of honor should be! [@WesleyHuntTX] DEI should be abolished, permanently. I never want to be chosen, promoted, or rewarded because of how I look. I want to earn every opportunity on merit, through hard work, grit, discipline, and determination. Equality means equal standards, not engineered outcomes. The dignity… https://x.com/i/web/status/2006529464881041788”

“RT @tesla_semi: Engineers hitting 1.2MW on Semi Megacharger https://t.co/QtXyTgW0XC”

“RT @ndstudio: Two engineers walked into the government to drag federal retirements from an underground mine onto the Internet. They built r…”

“RT @teslaownersSV: Engineering is magic https://t.co/pk4MRbzLjO”

“RT @XFreeze: SpaceX’s new Raptor 3 is the most advanced rocket engine ever built Key upgrades over earlier Raptors: • Nearly double the t…”

“RT @Starlink: Starlink is engineered to endure the elements and can even melt snow! 🛰️❄️”

“RT @SawyerMerritt: Today, SpaceX shared a new picture (on left) of its next-generation Raptor 3 rocket engine, the most advanced rocket eng…”

“True facts! [@nikitabier] If you are Android engineer with more than 10 years of experience: 1. We will pay you an extraordinary amount of money 2. You will have more fun here than any role in your life What are you waiting for?”

“Best of the best [@teslaownersSV] xAI is hiring exceptional engineers. Join one of the fastest-growing AI companies, help build Grok, and get the opportunity to work directly with Elon Musk. All open roles are listed here: ⬇️ https://x.ai/careers/open-roles”