The fire – which we have used in our homes for over 400,000 years – remains the most versatile and sustainable household technology that humanity has ever known.
The water and energy use of the mist shower is so low that the bathroom could be taken off-grid and off-pipe even in an urban context.
A wooden rotor and tower greatly increase the net energy output over the lifetime of a small wind turbine.
Given the right conditions, a mechanical windmill with an oversized brake system is a cheap, effective, and sustainable heating system.
To improve energy security, we need to make infrastructures less reliable.
Our new website is designed to radically reduce the energy use associated with accessing our content.
Compressed air energy storage is a sustainable and resilient alternative to chemical batteries, with much longer life expectancy, lower life cycle costs, technical simplicity, and low maintenance.
Solar panels on window sills and balconies can supply more power than you would think.
Directly coupling DC power sources with DC loads can result in a significantly cheaper and more sustainable solar system.
If we want the internet to keep working in circumstances where access to energy is more limited, we can learn important lessons from alternative network technologies.
Energy storage is often ignored when scientists investigate the sustainability of PV systems.
The possibilities of pedal power largely exceed the use of the bicycle.