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The Hemafuse blood autotransfusion device heads to clinical…
A soup ladle is sometimes the best tool available to recycle…
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Sunzilla’s open-source, portable, do-it-yourself solar generator
Sunzilla travels as a box that fits on a standard shipping…
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Promising Prototypes of 2015
We polled our community of experts for this list of 14…
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Earthship Biotecture’s Six Best Practices for Sustainable Architecture
Architects as far back as Vitruvius in the first century BC…
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The Grease Revolution: Guidelines for testing affordable farm…
One way to lose a southern Indian farmer’s interest in your…
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A $1 insert for cooking fires cuts wood…
Update: Please see below for a link to the research paper at…
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Hundreds of products for comparison in one place:…
Re-invention of the wheel is one of the biggest mistakes in…
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How to Build a Solar-Powered USB Charger for…
Part Two in a two-part series. Part One:Â How to build a…
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Let’s solve the big problems and support bolder…
Inventors are solving the myriad problems that arise from global poverty,…
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Modular solar micro-grids light off-grid homes
Samuel Egbu used to pay 50 naira (US $0.32) to charge…