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Kimani Chege

The STI Forum Delivers Innovation for Sustainable Development

June 10, 2021

...officials were met by the extreme need to trace people who might have had contact with a person...

Khanjan Mehta

E4C Drawn Out: Is that a corn sheller?

June 4, 2015

Frame Changers takes a funny view on issues in global development and social entrepreneurship. For more please see...

Rob Goodier

Tweet roundup | Drones, design failures and floating greenhouses edition

August 26, 2014

...@mitra “Under sub-par conditions, how easily does ferrocement go from optimum to unsafe?” … — Engineering 4...

Khanjan Mehta

The Big Design Questions | Should we make products that are localized or standardized?

April 20, 2014

...specific needs and behaviors. Standardization engenders reliability, quality control, and cost-effectiveness. So, it enables greater customer access. Localization...

Khanjan Mehta

Should Outsiders Get Involved?

July 3, 2014

...we’d like to invite the community to share your comments at the end. Appropriateness and Tradeoffs As the...

Rob Goodier

Five Questions with Jim Hallock

March 12, 2012

Jim Hallock is America’s spokesman for earthen construction. He crafts beautiful and beautifully low-cost buildings with compressed-earth blocks,...

Rob Goodier

Cookstoves should come with mosquito nets: A conversation with Cathy Leslie

October 16, 2010

...and other people. It’s not really cost efficient for everybody to go to every country. With more information,...

Jordan Schermerhorn

What the saving lives at birth awards says about the state of maternal health technology design

August 3, 2014

...countries: 230 / 100,000 Developed countries: 16 / 100,000 Four years and $50 million reveal clues about the...

Guest Author

Creating Cold: The Chilling Challenge of Off-Grid Refrigeration for Developing Countries

October 16, 2019 indispensable. And, most of us living in the West could not envision life without it. See off-grid...

Katherine Oakes

Tips for Building a Rainwater Catchment System

September 26, 2015

...materials are not readily available, passive rainwater catchment may work instead. Passive rainwater catchment simply collects rainwater off...

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