Sharp’s new solar-powered streetlight can do it all. Not only does the light operate for ten years without needing maintenance, but it also automatically turns on when it detects an earthquake.

The light use high-intensity LED spotlights that have a service life of about 40,000 hours. It charges using built-in solar panels during the day, and shines automatically at night. Best of all, Sharp’s streetlight doesn’t create any light pollution—it is illuminated with a directed light that doesn’t shine into the sky.

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Another win for LED bulbs: Anchorage, Alaska plans to replace 16,000 streetlight fixtures—a quarter of all the streetlight fixtures in the city—with LEDs. The new streetlights will use 50% less energy than current fixtures, leading Anchorage to potential savings of $360,000 each year. The city has invested $2.2 million in the plan.
Since Anchorage has 85 [...]

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