DIY
HorizonSight 360° a Helmet-Integrated Rear-Awareness AR and Mission-Control Vision System
HorizonSight 360 gives a helmeted operator eyes in the back of their head, and gives their team eyes everywhere at once.
Survival
DIY
Free Open Source Compact Car (FOSCC): Build a Street-Legal DIY Car From Salvage Parts for Under $10,000
Open-hardware plans for a street-legal DIY compact car: salvaged 4-cylinder powertrain on a builder-welded steel frame for under $10,000.
Offgrid
DIY Push Sickle-Bar Mower: Open-Hardware Plans / Recycled Salvage
Open-hardware plans for a push sickle-bar mower: salvage-first BOM, honest physics, and why a ~$120 electric-assist build beats a $4,000 BCS.
Philosophy
Solar Energy and the 5% Rule: Why Off-Grid Homes Need Redundant Backup Power
A practical guide to solar overpaneling, backup generators, battery storage, and three-pillar energy redundancy for off-grid homes.
Batteries
Sand Batteries and Thermal Energy Storage: Viability, Economics, and Industrial Decarbonization Outlook
Decision-grade analysis of sand batteries, thermal storage economics, efficiency limits, vendors, and industrial heat use cases.
Water
How to Build a Self-Contained Wastewater Treatment IBC Tote System: A 150 GPD Design Guide
A hybrid MBBR plus UF train fits a 275-gal IBC footprint, draws 2 kWh/day, and meets NSF/ANSI reuse grade. Aeration energy is the binding constraint.
Permaculture
Permaculture for Urban Food Production: Growing Potatoes in Small Balcony Containers
Learn how a simple balcony potato tub uses permaculture principles for small-scale urban food production in apartments.
Meshnetworking
Drone-Deployed Mesh Networks (2026): Emergency Communications, HAPS, Satellite Backhaul, and Disaster Response
Drone-deployed mesh networks combine UAVs, HAPS, and satellite backhaul to restore emergency communications after disasters.
Recycling
Post-Industrial Villages: Human-Scale Production, Adaptive Reuse, and Local Economies After the Factory Age
Local production, adaptive reuse, and shared infrastructure are reshaping communities after industrial decline.
Offgrid
The Scout, Pioneer, Settler Framework: Why Your Modern Homestead Fails Without It
Why do homestead dreams fail? They're recruiting settlers for a scout's journey. Learn about Scouts, Pioneers, and Settlers to build your homestead.
Space
Triton as a Space Outpost: Energy, Logistics, and Why Colonization Is Robotic-First (2026)
A Triton outpost would prioritize robotics, nuclear power, and autonomy to enable ocean-world science and deep-space operations.
Philosophy
The Practical Guide to Starting an Intentional Community: Shared Land Ownership, Equity Models, and Real Costs
No communes, no ideology. Just 3-10 people, a rural farmhouse, a USDA loan, and an LLC that makes everyone a real owner.