News
SpaceX rolls largest rocket booster ever built to the launch pad
Six weeks after assembly began, SpaceX has completed Starship’s first true Super Heavy booster prototype, rolled it out of its ‘high bay’ nest, and installed the building-sized rocket at the launch pad.
Standing some 65 meters (~215 ft) tall, Super Heavy Booster 3 (B3) is the same height as an entire two-stage Falcon rocket and Dragon spacecraft and is expected to singlehandedly weigh six times more than a fully-fueled Falcon 9 when loaded with liquid oxygen and methane propellant. Once Super Heavies are eventually outfitted with a full 32 Raptors, more engines than any other rocket in history, the booster will also produce more than twice the thrust of NASA’s Saturn V Moon rocket – still the most powerful vehicle ever successfully flown.
Assembled out of 36 steel rings, three tank domes, and dozens of other major components, Super Heavy B3 borrows heavily from the Starship production apparatus SpaceX has built and refined over the last ~18 months. Boosters use the same welding and integration jigs, facilities, and strategies and are built out of the same steel rings, stringers, stiffeners, and dome ‘gores.’
In some ways, Super Heavy boosters are actually a good deal simpler than Starships, which require a custom nose cone, secondary ‘header’ tanks, extra plumbing, actuating flaps, a heat shield with thousands of tiles, and more. Boosters, by comparison, require no heat shield and only need two main tanks made out of identical steel rings. However, all three Super Heavy domes (forward, common, and thrust) are mostly custom or require major modifications on top of parts shared with Starship domes.
Speaking on June 30th, Elon Musk revealed that Booster 3 was “very hard to build” and would be exclusively used for ground tests, reiterating that Super Heavy B4 is currently the first booster scheduled to fly. Curiously, the SpaceX CEO also said that “much of [Super Heavy’s] design” would be changed between Booster 3 and Booster 4, raising questions about what the company hopes to gain from Booster 3 “ground tests.”
Regardless, those tests are now on track to begin as early as Monday, July 6th after SpaceX transported Super Heavy Booster 3 from the factory to the launch pad and rapidly installed the rocket on a test platform on July 1st. Following in the footsteps of Starship, Super Heavy’s first hurdle will likely be an ambient proof test, in which nitrogen gas is used to check for leaks and verify general structural integrity under pressure.
Once complete, Booster 3 will be put through a cryogenic proof test, effectively replacing gaseous nitrogen with its supercooled liquid equivalent to simulate the immense thermal and mechanical stress incurred by similarly cold liquid oxygen and methane propellant. How exactly that test will be done is unclear given that Super Heavy can feasibly hold more than 3100 tons of liquid nitrogen and nowhere near that much storage capacity has been installed. The most important goal of cryo proof testing is to demonstrate that Super Heavy is structurally sound with its tanks pressurized to nominal flight pressures – likely at least 7-8 bar (~100-120 psi).
If successful, there are two possible routes SpaceX could go: more cryogenic proof testing at higher (and thus potentially destructive) pressures or static fire testing with one or several Raptor engines installed. Given Musk’s statement that the first flightworthy Super Heavy booster would implement major design changes, it’s unclear if Booster 3 is of a high enough fidelity to warrant static fire testing or if SpaceX has effectively turned the Super Heavy prototype into a massive ‘test tank’ instead.
News
Nvidia CEO Jensen Huang regrets not investing more in Elon Musk’s xAI
The CEO stated that Nvidia is already an investor in xAI, but he wished he had given the artificial intelligence startup more money.
Nvidia CEO Jensen Huang revealed that one of his investment regrets is not putting more money into Elon Musk’s artificial intelligence startup, xAI.
Speaking in a CNBC interview, Huang said Nvidia is already an investor in xAI but wished he had given the artificial intelligence startup more money. This was due to Musk’s record of building transformative companies such as Tesla and SpaceX.
A new wave of transformative AI firms
Huang said he’s very excited about xAI’s latest financing round. He described Musk’s company as part of a powerful new generation of AI developers, alongside OpenAI and Anthropic. that are reshaping the computing landscape.
“I’m super excited about the financing opportunity they’re doing. The only regret I have about xAI, we’re an investor already, is that I didn’t give him more money. You know almost everything that Elon’s pat of, you really want to be part of as well,” the Nvidia CEO stated.
The CEO also clarified Nvidia’s investment in xAI, revealing that Elon Musk had offered the investment opportunity to the chipmaker. “He (Musk) gave us the opportunity to invest in xAI. I’m just delighted by that,” Huang stated.
AI investment boom
Huang contrasted today’s AI-driven economy with the early days of the internet. “Back then, all the internet companies combined were maybe $30 or $40 billion in size,” he said. “If you look at the hyperscalers now, that’s about $2.5 trillion of business already operating today.”
He also stated that the ongoing shift from CPU-based computing to GPU-powered generative AI represents a “multi-trillion-dollar buildout” that Nvidia is looking to support. Huang added that every Nvidia engineer now works with AI coding assistants such as Cursor, which he called his “favorite enterprise AI service,” and it has led to a major productivity boost across the company.
Watch Nvidia CEO Jensen Huang’s CNBC interview in the video below.
Investor's Corner
Stifel raises Tesla price target by 9.8% over FSD, Robotaxi advancements
Stifel also maintained a “Buy” rating for the electric vehicle maker.
Investment firm Stifel has raised its price target for Tesla (NASDAQ:TSLA) shares to $483 from $440 over increased confidence in the company’s self-driving and Robotaxi programs. The new price target suggests an 11.5% upside from Tesla’s closing price on Tuesday.
Stifel also maintained a “Buy” rating despite acknowledging that Tesla’s timeline for fully unsupervised driving may be ambitious.
Building confidence
In a note to clients, Stifel stated that it believes “Tesla is making progress with modest advancements in its Robotaxi network and FSD,” as noted in a report from Investing.com. The firm expects unsupervised FSD to become available for personal use in the U.S. by the end of 2025, with a wider ride-hailing rollout potentially covering half of the U.S. population by year-end.
Stifel also noted that Tesla’s Robotaxi fleet could expand from “tiny to gigantic” within a short time frame, possibly making a material financial impact to the company by late 2026. The firm views Tesla’s vision-based approach to autonomy as central to this long-term growth, suggesting that continued advancements could unlock new revenue streams across both consumer and mobility sectors.
Tesla’s FSD goals still ambitious
While Stifel’s tone remains optimistic, the firm’s analysts acknowledged that Tesla’s aggressive autonomy timeline may face execution challenges. The note described the 2025 unsupervised FSD target as “a stretch,” though still achievable in the medium term.
“We believe Tesla is making progress with modest advancements in its Robotaxi network and FSD. The company has high expectations for its camera-based approach including; 1) Unsupervised FSD to be available for personal use in the United States by year-end 2025, which appears to be a stretch but seems more likely in the medium term; 2) that it will ‘probably have ride hailing in probably half of the populations of the U.S. by the end of the year’,” the firm noted.
Tesla Cybertruck owners are wondering when they will get access to the company’s Full Self-Driving version 14.1 that rolled out to other owners today for the first time.
Cybertruck owners typically receive Full Self-Driving updates slightly later than other drivers, as the process for the all-electric pickup is different. It is a larger vehicle that requires some additional attention from Tesla before FSD versions are rolled out, so they will be slightly delayed. CEO Elon Musk said the all-wheel steering technically requires a bit more attention before rollout as well.
The all-wheel steering of Cybertruck requires a bit more Autopilot training
— Elon Musk (@elonmusk) October 7, 2025
After some owners got access to the v14.1 Full Self-Driving suite this morning, Cybertruck owners sought out a potential timeframe for when they would be able to experience things for themselves.
Tesla owners show off improvements with new Full Self-Driving v14 rollout
They were able to get an answer from Ashok Elluswamy, Tesla’s Head of AI, who said:
“We got you. Coming soon.”
We got you. Coming soon.
— Ashok Elluswamy (@aelluswamy) October 7, 2025
The release of FSD v14.1 for Cybertruck will not be tempered, either. Elluswamy then confirmed that Tesla would be rolling out the full-featured FSD v14 for the pickup, meaning it would be able to reverse and park itself, among other features.
Elluswamy said it would be capable of these features, which were void in other FSD releases for Cybertruck in the past.
Tesla’s rollout of FSD v14.1 brings several extremely notable changes and improvements to the suite, including more refined operation in parking garages, a new ability to choose parking preferences upon arriving at your destination, a new driving mode called “Sloth,” which is even more reserved than “Chill,” and general operational improvements.
Those who were lucky enough to receive the suite have already started showing off the improvements, and they definitely seem to be a step up from what v13’s more recent versions were capable of.
CEO Elon Musk called v14 “sentient” a few weeks back, and it seems that it is moving toward that. However, he did state that additional releases with more capabilities would be available in the coming weeks, but many owners are still waiting for this first version.
Nvidia CEO Jensen Huang regrets not investing more in Elon Musk’s xAI
Stifel raises Tesla price target by 9.8% over FSD, Robotaxi advancements
Tesla Cybertruck’s Full Self-Driving update is ‘coming soon’
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