Tag: solar

Rob Goodier

A solar sprayer puts pest control in reach of India’s small-holder farmers

February 8, 2016

A new lightweight and low-cost solar-powered sprayer could put pest control in financial reach of India’s small-holder farmers. The High-Clearance...

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Netia McCray

How to build a solar-powered USB charger for phones and other small devices

November 20, 2015

  Part Two in a two-part series. Part One: How to build a solar-powered electronic circuit. Last year, our team...

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Rob Goodier

Modular solar micro-grids light off-grid homes

November 7, 2015

Samuel Egbu used to pay 50 naira (US $0.32) to charge his phone battery in Umuagwu, a village in...

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Rob Goodier

Coming soon in Nicaragua: A solar mobile dental clinic

September 15, 2015

Update July 2016: Engineering Smiles is in the midst of a campaign to raise $140,000 for a new, larger...

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Rob Goodier

Next-Gen Solar in Off-Grid Africa: Five Questions with Joshua Pierce

March 25, 2015

One million Africans could have reliable solar power within the next five years if Off-Grid Electric stays on course....

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Rob Goodier

How to build a solar-powered electronic circuit

March 15, 2015

By Charles Sonnenberg and Michaela Collison Special to E4C Part One of a two-part series. Part Two: How to build...

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Rob Goodier

Metered Micro Grids in India: Five Questions with Yashraj Khaitan

February 25, 2015

Residents of 18 villages in rural India pay for solar electricity the same way that they pay for cell...

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Rob Goodier

Darkness Was Gone

September 12, 2014

Light is one of those basic things like food, safe water and even air, that we don’t notice until...

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Rob Goodier

A new fold-up solar panel joins the field of notable global development crossover devices

May 8, 2014

Wall sockets don’t need a eulogy, yet, but Harold Tan is already talking about them in the past tense....

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Rob Goodier

Solar cookers make a surprise appearance on Nepal’s trekking routes

December 10, 2013

Smoke frames the memories of the trail for trekkers in Nepal. It rolls from a yak-dung fire warming a...

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