Weekly Dose of Optimism #176

Curation of five stories plus a bonus interview with Marc Andreessen and Ben Horowitz.

Curated Topics

1. Google MedGemma 1.5 — Open medical AI model that interprets full 3D scans (CTs, MRIs); Tobi Lutke vibecoded an MRI viewer with Claude
2. Claude Cowork Launch — McCormick recommends playing with Claude; discusses gap between idea and outcome disappearing; built a speedreader app
3. Tesla Lithium Refinery — Largest US lithium refinery operational in 3 years vs typical decade; cleaner process producing benign byproducts
4. Conceivable IVF Robotics — AURA robot performs automated IVF with 30 micro-adjustments/second; 19 babies born; $70M raised
5. Lunar Development — DOE/NASA nuclear reactor on moon by 2030; GRU moon hotel reservations opening

RDCO-Relevant Items

• Claude/Cowork: directly relevant to RDCO’s AI agent stack and tooling decisions
• MedGemma: open medical AI models as pattern for domain-specific AI