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Tips and tools for rapid prototyping
Boards studded with the sliced halves of ping pong balls lean…
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New peer-reviewed journal fills a gap in humanitarian…
One of the wishes we’ve heard from experts in humanitarian design…
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How to Make Penetrating Oil
WD 40 lubricating spray may have some low-cost, do-it-yourself competition: vegetable…
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A new mechanical grinder processes baobab fruit in…
In Benin and elsewhere in Africa, rural villagers depend on the…
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What’s wrong with our food system?
Here’s a fact that may surprise you: As many as 80 percent of the people…
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A newly designed sorghum press is under construction…
The women in Dissan, in southern Mali, turn a hand-cranked press…
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Solar Fire’s beautiful concentrators: An open source secret
Production stopped at a small solar concentrator manufacturing facility in Burkina…
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Promising new tech for developing countries at the…
A wetlands in a hair salon, a solar water purifier in…
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How to make a sack garden
A garden in a tall sack is a simple home project…
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I spent last year making fire
I spent the year developing a better way to fire bricks…