Runway ships Solaris interface world model; PSI exits stealth with $58M seed
shashib · x · 2026-09-05
This week's newsletter covers two stories drowned out by model-name debates:
Runway Solaris
- Released Aug 31 as an "Interface World Model" built on Gen-4.5
- Generates each frame of a website/app as you click and drag, with no separate code layer in the demo; sessions hold at 720p
- Author questions what you save and who owns the log of a page that exists only while touched
Physical Superintelligence (PSI)
- Cambridge lab exited stealth Sept 1 with $58M seed led by Breakthrough Energy
- Productized engine Emmy, named after mathematician Emmy Noether; first commercial job is laying out terrestrial and orbital data centers
- Public proof is the Fermi Explorer mission: a small craft on a rideshare by end of 2029 for $15M, using a perihelion pump trajectory (12 years near the Sun) to reach Alpha Centauri in 77,000 years
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