Electricity
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Environment
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Environment
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Technology
TechnologyNew Device Uses Night Sky to Switch On Light Bulb
When Stanford engineer Aaswath Raman drove by a village in Sierra Leone that didn’t have a single light on in its streets, he was inspired to build a device that generates electricity using the temperature differences that arise after sunset.
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Environment
EnvironmentTrash Mountain to Provide Power in Addis Ababa
A huge heap of trash is the newest power plant in Ethiopia: Samuel Alemayehu, a Stanford engineer from Ethiopia, turned the big problem of waste management in booming Africa to an even bigger benefit with Africa’s first “waste-to-energy” plant.
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