2026-09-02

OpenAI Cuts Off Elon's Cursor, Humanity's First Star Probe, and Trump's Nuclear Mars Ship | EP #285

Salim Ismail is stuck in TSA the entire episode, so Peter Diamandis, Dave Blundin, and Alex Wissner-Gross host StarCloud's Philip Johnson and Physical Super Intelligence's Matt Pines to unveil the Fermi Explorer, a $15M mission whose Alpha Centauri trajectory was designed by an AI physicist in a week using about 10 billion tokens. The panel then covers the OpenAI-Cursor-Anthropic-SpaceX alliance shuffle, Sam Altman's claim that OpenAI will hit AGI internally by end of 2026, a fully AI-designed chip from Architect Labs, and the industry's pivot to outcome-based pricing. Later segments dig into Elon Musk's data-center power crunch and geoengineering ambitions, Trump's 2028 nuclear Mars ship and new U.S. Space Academy, and a run of audience AMA questions on data centers, Nvidia's moat, and AI-driven abundance.

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Topics

Fermi Explorer: humanity's first interstellar probe Space ▶ 8:14

StarCloud's Philip Johnson and Physical Super Intelligence's Matt Pines announce a $15M nonprofit mission to send a 100kg ion-thrust probe past Alpha Centauri within 80,000 years, launching within 3 years.

OpenAI cuts off Cursor, Anthropic steps in AI ▶ 35:24

After SpaceX's $60B acquisition of Cursor, OpenAI pulled GPT model access citing distrust of Elon Musk's companies; Anthropic immediately offered Claude support, reshaping the AI coding-tool alliances.

Sam Altman's AGI-by-2026 claim and Astra AI ▶ 46:18

Altman told TIME he expects an internal OpenAI system to qualify as AGI by end of 2026, tied to an unreleased model called Astra that reportedly coordinated 16 agents to prove a research-level math result.

Outcome-based AI pricing Economy ▶ 52:32

Following Salesforce's Agent Force, OpenAI began letting large customers pay only when AI completes a job rather than for tokens or compute, echoing Siebel/Salesforce's earlier value-based pricing shift.

Architect Labs' AI-designed 'Redwood' chip Compute ▶ 1:03:35

A two-person startup had AI autonomously generate an entire chip -- performance model, RTL, verification, firmware, drivers, and kernel -- in two weeks, hitting zero bugs on first silicon and beating Nvidia's Jetson on performance per watt.

Elon Musk's 15GW power shortfall and energy buildout Energy ▶ 1:17:03

Musk says 15 gigawatts of 2027 AI-chip production can't be powered due to missing transformers, cooling, and grid infrastructure, so SpaceX and Tesla are each building 100GW/year of solar plus in-house natural-gas turbines.

Large-scale geoengineering and 'solar shades' Other ▶ 1:24:51

Musk argues sustainable energy alone can't prevent periodic extinction events and proposes space-based sentient satellites to fine-tune Earth's temperature; the panel debates the governance problem this creates.

Nanotech and molecular assemblers Biotech ▶ 1:33:32

The panel debates why Eric Drexler-style diamondoid nano-assemblers never arrived, concluding soft, protein/DNA-like atomically-precise systems (like lipid nanoparticles) are the more realistic path.

NASA's nuclear Mars ship and U.S. Space Academy Space ▶ 1:38:30

Trump announced a nuclear-powered interplanetary spacecraft launching to Mars in 2028, plus a new U.S. Space Academy modeled on West Point to train the crews of a future 'American Starfleet.'

AMA: Nvidia's TSMC dependency vs. custom silicon Compute ▶ 1:48:23

Answering an audience question, the panel argues Nvidia's bigger risk is TSMC dependence rather than customers building their own chips, and speculates Nvidia could strike a deal with an Elon Musk fab as an alternative.

AMA: AI weather engineering and trading rainfall Other ▶ 1:51:01

Responding to audience questions, Alex Wissner-Gross argues induced rainfall in one region reduces it downwind, predicting a future market where regions trade weather effects via planetary-scale AI models.

Predictions made

open Philip Johnson: The Fermi Explorer probe will launch toward Alpha Centauri within 3 years for under $15 million.

· due: 2029 · ▶ watch

“This thing is going to launch in 3 years.”

Your call:

open Alex Wissner-Gross: Fermi Explorer will be the first successful interstellar mission, unlike Breakthrough Starshot which needed lasers that weren't ready.

· due: unspecified · ▶ watch

“My expectation is it will be the first successful interstellar mission.”

Your call:

open Sam Altman: OpenAI will have an internal system it believes qualifies as AGI by the end of 2026.

· due: 2026 · ▶ watch

“I expect this will be the first model where the model actually invents new things in a way that matters.”

Your call:

open Donald Trump: NASA's first nuclear-powered interplanetary spacecraft will launch on a mission to Mars.

· due: 2028 · ▶ watch

“NASA has already begun to work on the first ever nuclear-powered interplanetary spacecraft which will launch in 2028.”

Your call:

open Alex Wissner-Gross: Elon Musk will become the dominant player in liquid natural gas and fossil fuels generally, using them to bootstrap power for his AI data-center buildout.

· due: unspecified · ▶ watch

“My prediction here, I'll pre-register it, is that Elon, ironically, becomes the king of liquid natural gas.”

Your call:

open Alex Wissner-Gross: Nvidia will strike a deal with Elon Musk to use his chip-fab venture as an alternative anchor tenant to TSMC.

· due: unspecified · ▶ watch

“I would predict that Nvidia is in some back room somewhere striking a deal with Elon to be the anchor tenant for Terraab.”

Your call:

open Dave Blundin: Global GDP grows roughly 10x within under 10 years, driven by AI-fueled abundance.

· due: unspecified · ▶ watch

“We're talking about 10x growth of the GDP in under 10 years.”

Your call:

Numbers that matter

Fermi Explorer must cost under $15 million to design, build, and launch Philip Johnson says the true cost could be closer to $10M but the PSI paper listed $15M as the ceiling.
Fermi Explorer targets passing within 2,600 AU of Alpha Centauri That's 99% of the way there given the mission's 80,000-year transit constraint.
PSI's trajectory design used about 10 billion tokens Compressed into roughly a week and 5-6 hours of human oversight, versus an estimated thousands of person-years of traditional aerospace engineering.
Architect Labs' Redwood chip has zero bugs on first silicon and 3.4x the performance per watt of Nvidia's Jetson Designed end-to-end by AI from a single human-written spec in two weeks.
15 gigawatts of 2027 AI-chip production can't be turned on due to missing power infrastructure Elon Musk's estimate; equivalent to 10 idle nuclear plants, enough to power a mid-size American city.
SpaceX and Tesla are each building 100 gigawatts per year of solar production capacity Announced by Elon Musk to bootstrap power for AI data centers, alongside in-house natural-gas turbine manufacturing.
88% of people getting AI-analyzed CT angiography at Fountain Life have detectable coronary artery disease, and 23% have soft plaque invisible to calcium-score-only scans Cited by Fountain Life's chief medical officer as the case for earlier, AI-assisted heart-disease detection.
Nuclear propulsion could cut Mars transit from about 7 months to 1-2 months NASA administrator Jared Isaacman's rationale for the 2028 nuclear Mars mission -- shorter transit means less radiation and lower cost.

Worth digging into

🕳️ PSI's open-source 'Get Physics Done' trajectory-design tool

An AI physicist solved an interstellar trajectory problem in a week that stumped JPL engineers for months, using an openly released package -- worth understanding what it can and can't do.

🕳️ Architect Labs' fully AI-designed Redwood chip

Zero human RTL, firmware, or kernel authorship with zero bugs on first silicon is a serious data point on how far AI-driven chip design has moved ahead of Nvidia's internal Chip Nemo effort.

🕳️ Outcome-based AI pricing rollout at OpenAI and Salesforce

Shifts AI vendors from selling compute to selling guaranteed labor outcomes, which could be the mechanism that finally gets slow-moving enterprises (like regional banks) to actually deploy AI.

🕳️ Elon Musk's satellite-based geoengineering ('solar shades') proposal

A technically plausible thermostat-for-Earth concept that raises a hard tragedy-of-the-commons governance problem the panel admits has no answer yet.

🕳️ NASA's 2028 nuclear Mars ship and the new U.S. Space Academy

A West-Point-style academy for a 'Starfleet' plus a concrete nuclear-propulsion timeline signals NASA is racing SpaceX's Starship on an institutional, not just technical, level.