Ram Pumps

Posted by & filed under Courses/Workshops, Energy Systems, Irrigation.

People are always fascinated by ram pumps. I think partly because they achieve the seemingly impossible task of pumping water to a higher height than the water supplying the pump, and they do it for no added energy input. This is often misunderstood as needing no energy, but even a casual understanding of the laws… Read more »

Lessons From the Rust Belt with Geoff Lawton

Posted by & filed under Energy Systems, Society.

Trailer only – watch the full video here! Does history repeat itself? Geoff Lawton looks at the rust belt collapse of an entire industry in Holyoke, Massachusetts, and the lost opportunity that could have been prevented if people thought differently and redesigned their way using some proven Permaculture techniques. The future might have been vastly… Read more »

Solar Water Bottle Bulbs

Posted by & filed under Building, Energy Systems, Waste Systems & Recycling.

Alfredo Moser with his solar water bottle bulbs Introduction Thomas Alva Edison lit up the world with his electric bulb in the nineteenth century. In this century it is the solar bottle bulbs of Alfredo Moser which are illuminating thousands of houses of under-privileged people in many countries. This simple invention of the Brazilian mechanic… Read more »