News
SpaceX, NASA investigating parachute ‘lag’ during latest Dragon recovery
On February 2nd, NASA officials reported that a SpaceX Cargo Dragon spacecraft suffered a minor parachute anomaly during its most recent reentry, descent, and splashdown.
On January 23rd, SpaceX’s CRS-24 Cargo Dragon 2 vehicle departed the International Space Station for the second time in less than six months with about 2.2 tons (~5000 lb) of science experiments, equipment, and refuse in tow. On January 24th, the Dragon successfully deorbited, reentered Earth’s atmosphere, deployed parachutes, and splashed down off of Florida’s Gulf Coast, where a SpaceX team quickly recovered the spacecraft and loaded time-sensitive cargo onto a waiting helicopter. Oddly, in an attempt to save perhaps a quarter of a percent of the total cost of the mission, NASA offered zero live coverage and didn’t even publish photos or videos of the Dragon recovery taken after the fact.
That left little more than social media posts for taxpayers who paid for the mission to experience it live. Ultimately, while those posts simply stated that the CRS-24 Dragon recovery was a success, they weren’t entirely accurate.
Mirroring behavior seen on Crew Dragon’s Crew-2 recovery in November 2021, NASA and SpaceX waited more than a week after the fact to report that one of Cargo Dragon’s four main parachutes also failed to fully inflate exactly when expected. However, while NASA and SpaceX withholding information is unsavory at best, the issue was once again minor.
Just like Crew-2, the ‘lagging’ CRS-24 chute took about a minute longer than its siblings to fully inflate but did so well before splashdown. More importantly, CRS-24’s chute lag also failed to register in telemetry or recovered data, meaning that it had no significant impact on capsule descent rate or the force of impact upon splashdown. According to senior SpaceX flight reliability engineer Bill Gerstenmaier, “if you [only] look at the…data, you wouldn’t even detect the fact that the chutes [lagged on Crew-2 or CRS-24].”
In other words, the lagging chute inflation has been entirely harmless and completely inconsequential. Further, because Crew Dragon and Cargo Dragon 2 use four main chutes, they can safely return to Earth even if one of those chutes fails entirely. The fact that the actual telemetry shows nothing amiss with three – instead of – four chutes fully deployed effectively confirms as much, though SpaceX also completed more than a hundred different parachute drop tests verifying as much before Dragon 2’s first flight.
However, in human spaceflight, the saying “sometimes a cigar is just a cigar” could not be further from reality. Any deviation from expected behavior – no matter how harmless – must be carefully investigated because a lack of full understanding in one area may be a symptom of a larger organizational error or a sign of other unknown issues. Even if that’s rarely the case, NASA – where Gerstenmaier was an executive for 17 years – knows the cost of systemic complacency better than any other company or space agency on Earth. There is no room for it.
As such, even if the communication of the event was lacking, it’s abundantly clear that NASA and SpaceX are doing what needs to be done to remain vigilant and ensure the safety of Dragon and its parachutes.
News
Tesla confirms that it finally solved its 4680 battery’s dry cathode process
The suggests the company has finally resolved one of the most challenging aspects of its next-generation battery cells.
Tesla has confirmed that it is now producing both the anode and cathode of its 4680 battery cells using a dry-electrode process, marking a key breakthrough in a technology the company has been working to industrialize for years.
The update, disclosed in Tesla’s Q4 and FY 2025 update letter, suggests the company has finally resolved one of the most challenging aspects of its next-generation battery cells.
Dry cathode 4680 cells
In its Q4 and FY 2025 update letter, Tesla stated that it is now producing 4680 cells whose anode and cathode were produced during the dry electrode process. The confirmation addresses long-standing questions around whether Tesla could bring its dry cathode process into sustained production.
The disclosure was highlighted on X by Bonne Eggleston, Tesla’s Vice President of 4680 batteries, who wrote that “both electrodes use our dry process.”
Tesla first introduced the dry-electrode concept during its Battery Day presentation in 2020, pitching it as a way to simplify production, reduce factory footprint, lower costs, and improve energy density. While Tesla has been producing 4680 cells for some time, the company had previously relied on more conventional approaches for parts of the process, leading to questions about whether a full dry-electrode process could even be achieved.
4680 packs for Model Y
Tesla also revealed in its Q4 and FY 2025 Update Letter that it has begun producing battery packs for certain Model Y vehicles using its in-house 4680 cells. As per Tesla:
“We have begun to produce battery packs for certain Model Ys with our 4680 cells, unlocking an additional vector of supply to help navigate increasingly complex supply chain challenges caused by trade barriers and tariff risks.”
The timing is notable. With Tesla preparing to wind down Model S and Model X production, the Model Y and Model 3 are expected to account for an even larger share of the company’s vehicle output. Ensuring that the Model Y can be equipped with domestically produced 4680 battery packs gives Tesla greater flexibility to maintain production volumes in the United States, even as global battery supply chains face increasing complexity.
Elon Musk
Tesla Giga Texas to feature massive Optimus V4 production line
This suggests that while the first Optimus line will be set up in the Fremont Factory, the real ramp of Optimus’ production will happen in Giga Texas.
Tesla will build Optimus 4 in Giga Texas, and its production line will be massive. This was, at least, as per recent comments by CEO Elon Musk on social media platform X.
Optimus 4 production
In response to a post on X which expressed surprise that Optimus will be produced in California, Musk stated that “Optimus 4 will be built in Texas at much higher volume.” This suggests that while the first Optimus line will be set up in the Fremont Factory, and while the line itself will be capable of producing 1 million humanoid robots per year, the real ramp of Optimus’ production will happen in Giga Texas.
This was not the first time that Elon Musk shared his plans for Optimus’ production at Gigafactory Texas. During the 2025 Annual Shareholder Meeting, he stated that Giga Texas’ Optimus line will produce 10 million units of the humanoid robot per year. He did not, however, state at the time that Giga Texas would produce Optimus V4.
“So we’re going to launch on the fastest production ramp of any product of any large complex manufactured product ever, starting with building a one-million-unit production line in Fremont. And that’s Line one. And then a ten million unit per year production line here,” Musk stated.
How big Optimus could become
During Tesla’s Q4 and FY 2025 earnings call, Musk offered additional context on the potential of Optimus. While he stated that the ramp of Optimus’ production will be deliberate at first, the humanoid robot itself will have the potential to change the world.
“Optimus really will be a general-purpose robot that can learn by observing human behavior. You can demonstrate a task or verbally describe a task or show it a task. Even show it a video, it will be able to do that task. It’s going to be a very capable robot. I think long-term Optimus will have a very significant impact on the US GDP.
“It will actually move the needle on US GDP significantly. In conclusion, there are still many who doubt our ambitions for creating amazing abundance. We are confident it can be done, and we are making the right moves technologically to ensure that it does. Tesla, Inc. has never been a company to shy away from solving the hardest problems,” Musk stated.
Elon Musk
Rumored SpaceX-xAI merger gets apparent confirmation from Elon Musk
The comment follows reports that the rocket maker is weighing a transaction that could further consolidate Musk’s space and AI ventures.
Elon Musk appeared to confirm reports that SpaceX is exploring a potential merger with artificial intelligence startup xAI by responding positively to a post about the reported transaction on X.
Musk’s comment follows reports that the rocket maker is weighing a transaction that could further consolidate his space and AI ventures.
SpaceX xAI merger
As per a recent Reuters report, SpaceX has held discussions about merging with xAI, with the proposed structure potentially involving an exchange of xAI shares for SpaceX stock. The value, structure, and timing of any deal have not been finalized, and no agreement has been signed.
Musk appeared to acknowledge the report in a brief reply on X, responding “Yeah” to a post that described SpaceX as a future “Dyson Swarm company.” The comment references a Dyson Swarm, a sci-fi megastructure concept that consists of a massive network of satellites or structures that orbit a celestial body to harness its energy.
Reuters noted that two entities were formed in Nevada on January 21 to facilitate a potential transaction for the possible SpaceX-xAI merger. The discussions remain ongoing, and a transaction is not yet guaranteed, however.
AI and space infrastructure
A potential merger with xAI would align with Musk’s stated strategy of integrating artificial intelligence development with space-based systems. Musk has previously said that space-based infrastructure could support large-scale computing by leveraging continuous solar energy, an approach he has framed as economically scalable over time.
xAI already has operational ties to Musk’s other companies. The startup develops Grok, a large language model that holds a U.S. Department of Defense contract valued at up to $200 million. AI also plays a central role in SpaceX’s Starlink and Starshield satellite programs, which rely on automation and machine learning for network management and national security applications.
Musk has previously consolidated his businesses through share-based transactions, including Tesla’s acquisition of SolarCity in 2016 and xAI’s acquisition of X last year. Bloomberg has also claimed that Musk is considering a merger between SpaceX and Tesla in the future.
Tesla confirms that it finally solved its 4680 battery’s dry cathode process
Tesla Giga Texas to feature massive Optimus V4 production line
