[Image from Howtopedia] The Treadle Pump design is very simple and effective at helping people to bring water to their crops. Treadle Pump is a foot operated water lifting device that can irrigate small plots of land of small holders in regions that have higher water table (not deeper than 25 feet) A low cost […]
Last summer, I went with several youth leaders from Learn 2 Teach, Teach 2 Learn to hear Paul Polak speak. He was one of the opening speakers for the IDDS conference hosted by D-Lab at MIT. He appeared on Fresh Air last year: Paul Polak, founder of the nonprofit International Development Enterprises, has spent 25 […]
Building on the original MintyBoost USB charger kit, this Instructables how-to will walk you through the steps of adding a Lithium Polymer battery pack and small solar cell. The extra capacity and added convenience of solar make this modification a must have for off-grid mobility.
Our ol’ Make: Online compadre Jonah Brucker-Cohen put together this event with Dorkbot Paris last April on the occasion of the Gakona exhibition at the Palais de Tokyo. [Sent to us by David Steinberg of Dorkbot Paris] Palais de Tokyo : the Scrapyard Challenge Scarpyard Challenge
At a workshop on Lighting Africa at last year’s Solarfest, the argument for renewable low voltage lighting made an impression on me. One of the slides really stuck with me, showing how people adopted cell phones in Kenya, demonstrating that if a new technology becomes obviously essential, people will adopt it in huge crowds. Lighting […]
Almost 20 years ago, I moved into an apartment with electric heat. The landlord said that he would cut the rent during the winter months because it would be so expensive to keep the place going. When the electric bill arrived, I looked at all the fine print on it and noticed on the back […]
Likely the absolute coolest speaker design I have seen to date – Matt’s ‘Speaker House’ was built from scrap and found materials after his previous set met an unfortunate end. Visit the audio domicile in his photostream.
