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.
When modernity meets its end-point and creates a world where everything is sterile, controlled, and known, there will be little space for fermentation.
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.
Researchers have calculated minimum levels of energy use needed to live a decent life, but what about maximum levels?
Adjusting energy demand to supply would make switching to renewable energy much more realistic than it is today.
Unlike solar and wind energy, human power is always available, no matter the season or time of day.
Vietnam’s decentralised food system has low energy inputs and reduced food waste, giving us a glimpse of what an alternative food system might look like
Could we rethink and redesign office equipment, combining the best of mechanical and digital devices?
Solar panels on window sills and balconies can supply more power than you would think.