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14/08/2025

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14/08/2025

29/07/2025

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23/07/2025

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05/07/2025

Bacteria-Powered Streetlights Illuminate Remote Areas
In a rural Philippine village, engineers have deployed streetlamps that operate without wires, batteries, or electricity, drawing power directly from soil bacteria. This marks the world’s first public lighting network powered entirely by microbial energy.
The lamps utilize microbial fuel cells (MFCs), which capture electrons produced by soil bacteria as they metabolize organic matter. Electrodes buried in the soil channel these electrons to power LED lights mounted on poles, providing 4 to 6 hours of nightly illumination without carbon emissions or grid dependency.
The system is self-sustaining, with the soil naturally recharging during daylight hours. It requires no moving parts or maintenance. Local residents contribute by adding compost, leaves, or sugarcane waste to the soil chambers, integrating the technology into the ecosystem.
This innovation offers a scalable solution for off-grid communities, refugee camps, or disaster-stricken areas lacking infrastructure. It also hints at a future where urban energy systems could harness biological processes instead of fossil fuels.
From soil to light, this is electricity rooted in nature.

21/06/2025

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22/05/2025

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