appropriate-technology / Green Building & Sustainable Home Renovation Information & Advice

Coronavirus or COVID-19 is changing how we live, obliging us to practice social distancing and promoting fervent hand-washing. Until the latest developments in biosensor testing devices for viruses allow rapid on-site and accurate verification of coronavirus infection, the cleaner we can keep the surfaces in our homes,...

The idea behind the Epiphany onE Puck is simple: use a Stirling engine powered by heat disparities (a hot or cold drink, a candle, ice, etc.) to fully charge your cell phone. Invented in the early 1800s, Stirling engines are far from new. However, with new materials and modern electronics they are now being put to use ...

A typical washing machine can use up to 87 litres of water per load, not to mention its ability to eat up electricity. An efficient Energy Star machine can cut water usage to about 49 litres per load and significantly cut energy usage, but this, the Drumi, will not only wash your clothes without using electricty, it al...

One of the biggest drawbacks to renewable energies like wind and solar, is that it is unpredictable. This presents a challenge to grid operators, as they struggle to meet demand while compensating for calm winds or clouds. One method of balancing supply and demand that is garnering some attention lately, is pumped stor...

We've seen portable charging devices for personal gadgets, we've seen vertical axis wind turbines and now we have seen a marriage of the two. That's right, appropriate technology enthusiasts, there is a portable wind turbine on the horizon and it's perfect for charging your electronic gizmos.  Skajaquoda is a research ...