California Disaster Emergency Lighting
How to turn solar energy into usable light in an emergency. If you still have a place to live but no power, this method might really help when the sun goes down and it gets very dark.
Experiments, inventions, patents, …
by F.E.N. · Published · Updated
How to turn solar energy into usable light in an emergency. If you still have a place to live but no power, this method might really help when the sun goes down and it gets very dark.
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