DIY Rainwater Filter System
DIY biological rainwater drinking water filter. This filter is made very easily, you need gravel, sand, and charcoal.
I have a BlackFly in my carport
Tim Lum is part of Opener's Early Access program where the company partners with early adopters of the aircraft to gather data about the ownership experience. BlackFly is built to comply with the FAA Part 103 ultralight category, which means no pilot
Designing A Self Propelling Ionic Thrust Wing
In a continuing pursuit to create a new generation of airplane flight, i've shifted away from dedicated ionic thrusters, and toward something much more integrated. Now may be the time for ionic thrust airfoils - wings which create thrust themselves,
FREE water forever. LEGALLY!!!!
I installed a 30k gallon metal tank in my backyard so that I can run my entire house on rainwater. Often called a rainwater catchment or rainwater collection system; this has allowed me to avoid using city water and to catch free water from the sky
Optimized Nuclear Thermal Rocket for 45 Days to Mars
A novel Wave Rotor (WR) topping cycle is proposed that promises to deliver similar thrust as NERVA class NTP propulsion, but with Isp in the 1400-2000 second range. Coupled with an NEP cycle, the duty cycle Isp can further be increased (1800-4000 sec
DIY Rainwater Filter System
DIY biological rainwater drinking water filter. This filter is made very easily, you need gravel, sand, and charcoal.
Rain Roof - Rainwater Harvesting Project - How To
Building a Rain Roof as another option to harvest rainwater for home, garden or livestock use. Specifically this is set up for my rainwater garden area but could be used for just about anything.
This project started out originally as a roofing te
How Concrete Homes Are Built With A 3D Printer | Insider Art
Aiman Hussein is a concrete-3D-printer operator who works for Alquist. The company uses 3D-printing technology to build homes and lower the cost of housing and infrastructure in economically distressed and underserved communities. He'll walk us throu