Tag Archives: Light-emitting diodes


Street lights powered by solar and wind energy to light up Barcelona

BARCELONA, SPAIN (REUTERS/UPC) – Barcelona’s beach is being lit up with new-look street lights.

The six innovative lamp posts are each fitted with two solar panels, a wind turbine and a battery.

As a result, the environmentally-friendly lights generate enough energy to run for ten hours overnight.
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Energy-harvesting ‘tree’ can power electronics

Finnish company develops an energy harvesting ‘tree’ capable of powering smart phones and other devices. Its production technique can also be used to make sheets of smart organic light-emitting diodes on a large scale.
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