Shop Talk

Linear Pluggable Optics: The AI Interconnect That Cuts Power Without Killing Serviceability

Linear Pluggable Optics: The AI Interconnect That Cuts Power Without Killing Serviceability

David Rogers
2026-09-22

LPO removes the module DSP and shifts equalization to the host SerDes, cutting 800G optics toward 5.5–10 W while keeping hot-swappable QSFP-DD/OSFP cages. How analog TIAs, InP lasers, MSA specs, and China-vs-West capacity shape AI fabric demand.

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Inside the 800G and 1.6T Optical Transceiver Bottleneck: InP, AI Fabrics, and Geopolitics

David Rogers
2026-09-21

Explore the engineering, indium phosphide (InP) laser supply constraints, and geopolitical risks shaping 800G and 1.6T optical transceivers for AI data centers.

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Inside the 800G and 1.6T Optical Transceiver Bottleneck: InP, AI Fabrics, and Geopolitics
The Physics of Flight and the Economics of Scale: Drone Manufacturing Technology and Last-Mile Delivery

The Physics of Flight and the Economics of Scale: Drone Manufacturing Technology and Last-Mile Delivery

David Rogers
2026-09-14

How the Amazon Prime Air MK30, Composite-Based Additive Manufacturing (CBAM), and BVLOS autonomy are solving the aerospace manufacturing bottleneck and last-mile unit economics.

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Unboxed vs. Intelligent Islands: The Two Post-Fordist Automotive Manufacturing Paradigms

David Rogers
2026-09-12

Tesla’s Unboxed Assembly and China’s Intelligent Island manufacturing challenging Henry Ford’s century-old moving assembly line, diverging between hyper-volume unit cost and mixed-model agility.

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Unboxed vs. Intelligent Islands: The Two Post-Fordist Automotive Manufacturing Paradigms
Dry Electrode Manufacturing: Eliminating Solvents, Ovens, and the Gigafactory Footprint

Dry Electrode Manufacturing: Eliminating Solvents, Ovens, and the Gigafactory Footprint

David Rogers
2026-09-09

Dry electrode manufacturing eliminates toxic NMP solvents, 100-meter drying ovens, and binder migration, slashing gigafactory capex and unlocking solid-state cells.

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How Autonomous Labs Turn Failed Experiments Into Discovery Engine Inventory

David Rogers
2026-09-08

Autonomous, self-driving labs use AI agents, modular robotics, and closed-loop data to test thousands of hypotheses overnight thereby drastically cutting wet-lab costs.

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How Autonomous Labs Turn Failed Experiments Into Discovery Engine Inventory
The Idiot Index: How Elon Musk Uses First-Principles Engineering to Cut Costs from Raptor to Cybercab

The Idiot Index: How Elon Musk Uses First-Principles Engineering to Cut Costs from Raptor to Cybercab

David Rogers
2026-09-07

Explore how Elon Musk applies the "idiot index" to slash manufacturing costs, from SpaceX's Raptor engine to Tesla's rare-earth-free Cybercab drive unit.

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Inside the Package Optical Engine: Architecture, Packaging, and Physical Limits

David Rogers
2026-09-02

Explore the internal architecture of package optical engines: PIC-EIC stacking, micro-ring modulation, fiber coupling, and external InP laser integration.

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Inside the Package Optical Engine: Architecture, Packaging, and Physical Limits
Co-Packaged Optics and the Industrial Bottlenecks of Rack-Scale AI Interconnects

Co-Packaged Optics and the Industrial Bottlenecks of Rack-Scale AI Interconnects

David Rogers
2026-09-01

Explore how co-packaged optics (CPO) replaces copper in AI server racks, the packaging challenges of silicon photonics, and critical InP laser supply bottlenecks.

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Inside NVLink Rack Fabrics: Why Copper Still Dominates AI Scale-Up Over Optics

David Rogers
2026-08-31

Discover how NVLink switch silicon and high-density copper fabrics power NVL72-class AI racks, why passive copper beats optics inside the rack, and what limits scale-up domains.

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Inside NVLink Rack Fabrics: Why Copper Still Dominates AI Scale-Up Over Optics