Finance
Riot Platforms, Inc: History, Current Position, and Future Prospects
Mining turned cash negative on a fully loaded basis in Q2 2026. Riot's 241 MW of AI leases are contracted but not yet delivered or financed.
John D
Strategic Consultant, Director of DataDeep Tech and Author of Detroit Megacity
Sustainability
From Hacker House to Cooperative Federation: A Practical Model for Community-Owned Infrastructure
How a hacker house can grow into a cooperative network of shared housing, businesses, land, tools, software, and productive assets.
Sustainability
Off-Grid Solar Homesteading Costs in 2026: System Economics, Battery Chemistry, and Risk Across 3, 6, and 12-Person Households
Off-grid solar costs at three household scales, with DIY versus professional pathways, LFP versus lead-acid economics, and a full risk analysis.
Biomaterials
Can You Make Bioplastics in a Home Workshop? Eight Polymer Families, Numeric Recipes, Under $600 of Tooling
Eight bio-polymer families, 24 numeric recipes, under $600 of tooling. Drying energy costs $3 to $6 per kg, usually more than the polymer itself.
Maritime
Container Ships as Mobile BESS: How Solar Cargo Roofs and Sodium-Ion Batteries Could Electrify Ports
A 90–100 MWh shipboard BESS paired with solar container roofs could support port charging, shore power, and grid resilience.
Biomaterials
Can Mycelium Composites Replace Petroleum Foams and Molded Plastics?
Packaging holds, insulation is marginal, structural plastic fails. Moisture is the binding limit across all four substitution cases.
Finance
Why Gold Mining Stocks Move More Than Gold: Commodity-Price Torque, Operating Leverage, and Gold Beta
Why gold miners can outperform, or underperform, gold as operating leverage, commodity beta, and margin elasticity amplify metal-price moves.
Astronomy
Nancy Grace Roman Space Telescope Technical Briefing: 2.4m Optics, 300-Megapixel Focal Plane, 20 Petabytes
A fully qualified flagship awaiting launch. What Roman has demonstrated, what remains modeled, and why out-year funding is the dominant risk.
Magnets
The U.S. Rare Earth Magnet Supply Chain in 2026: Why Heavy Rare Earth Separation and Metallization Are the Binding Constraints
U.S. magnet capacity announcements top 40,000 tonnes, but domestic dysprosium output is still measured in kilograms. Where the chain actually breaks.
Science
Introduction to Quantum Electrodynamics
QED is the template for gauge theories and underpins fundamental constants and atomic timekeeping.
Finance
Kratos Defense, After the CCA Loss: Funded Backlog, Dilution, and the Affordable Mass Thesis
Kratos grew revenue 18.5% to $1.35B in FY2025 yet posted a 1.9% operating margin and negative free cash flow. A skeptical look at the growth thesis.
Science
Room-Temperature Superconductivity in Graphite: Why HOPG Claims Still Fail the Meissner Test
HOPG room-temperature superconductivity claims mapped against the four criteria: no Meissner effect, no neutral replication, no validated result.