⭐ BREAKTHROUGH OF THE DAY · 2026-10-29
PsiQuantum shows a light-based switch that rewires AI data-centre networks in 3 ms
Stage 2 · PrototypeA quantum-computing company turned its low-loss silicon-photonics process into a switch for today's AI data centres, made at a commercial foundry, with samples already with prospective customers. Lab results are company-reported, so we score it Stage 2.
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⏱ Today in 30 seconds
- 💰 The money is real: Nvidia made $96.2B in one quarter, up 106% in a year.
- 🏭 Factories are the bottleneck: TSMC will spend $60-64B on new capacity in 2026.
- 🧠 Memory is sold out: SK hynix says its DRAM and HBM are booked through 2029; Samsung made ₩107.4T operating profit.
- 💡 Light for AI networks: PsiQuantum showed an optical switch that rewires AI clusters in 3 ms (company-reported).
- ⚠️ Rules can change overnight: US export rules for China were rewritten twice this year.
- 🇮🇳 India is building: 12 chip plants approved; a new ₹1.27 lakh crore plan is live.
⚡ Start here: FrontierRadar in 60 seconds
- Big money follows a path: lab paper → prototype → factory orders → company profits. Share prices usually move at the end.
- We read the start of the path (new papers and patents) and explain each in plain English.
- Every idea gets a Readiness score (0-100) from an open formula, plus a bull and a bear case.
- We link ideas to companies on the Opportunities page and log every call on our Track record.
Pick your path
🧪 Paper to Profit
🔬 Earliest breakthroughs this issue
Stage 1 · Paper
DuoPD: small compute units inside HBM4 memory could make AI chatbots answer up to 2.2× faster
Stage 1 · PaperBrown University: a magnetic-electric material that keeps working at 1.6 nm, a step toward ultra-low-power memory
Stage 1 · PaperA light-based 'highway' between AI chip and memory
Stage 1 · PaperStoring many values in one memory spot (superposed analog memory)
Stage 1 · PaperMaking noisy analog AI chips accurate (weight splitting)
Stage 1 · PaperA light switch sending 200 billion bits per second per colour
🗂 Archive 🗓 Calendar view
AI Chips2026-10-29
Memory makers sell out to 2029, a photonic switch for AI racks, and 5 new chip ideas
17 papers & patents · 21 opportunities
AI Chips2026-10-28From lab paper to profit: 12 AI-chip breakthroughs to watch before the market does
12 papers & patents · 18 opportunities
AI Chips2026-10-285 AI-chip breakthroughs (first issue)
⏳ Countdown to key dates
AMD Q3 2026 results (after US market close)
IEDM 2026 begins (San Francisco, Dec 12-16)
ISSCC 2027 begins (San Francisco, Feb 14-18)