Weekly Dose of Optimism #188

TLDR

• OpenAI Foundation commits $100M+ to six institutions for AI-driven Alzheimer’s research; AlphaEvolve makes Substrate’s lithography software 6.8x faster at 97% lower compute cost.

Key Takeaways

• OpenAI Foundation is directing $100M+ to AI-assisted Alzheimer’s research across drug design, biomarker discovery, and disease pathway mapping at six institutions.
• Arc Institute is using an “AI lab-in-the-loop” approach: perturbing human brain organoids with patient data, measuring results, and feeding them back into AI models to build a causal disease map.
• Google DeepMind’s AlphaEvolve rewrote Substrate’s computational lithography software in weeks, cutting memory use 74%, speeding runtime 6.8x, and dropping TPU costs 97%.
• Substrate can now print metal-one chip layers at a 24nm pitch in a single exposure, reaching 2nm-node territory without multi-patterning, reducing defects and cost.
• Lume, a $2,499 pair of robotic floor lamps with six-axis arms and on-device AI, folds a full laundry load in under two hours using vision-language models.

Why It Matters

• Private capital funding a closed experimental-AI loop for Alzheimer’s is structurally different from NIH grant cycles; Arc’s organoid perturbation approach aims for causal, not correlational, disease understanding.
• AlphaEvolve’s result on Substrate’s stack is a concrete example of AI finding algorithmic shortcuts that eliminate costly multi-patterning steps, directly affecting chip manufacturing economics.
• Artemis II crew passed 252,756 miles from Earth, farther than any humans in recorded history, completing a lunar flyby before returning home.

Packy McCormick, Not Boring · 2026-04-10 · Read the original