Club Watt dance floor
There were lots of stuff built to save electricity, and more eco-friendly.
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Solar Concentrator Is A Flying Power Plant
Cool Earth’s Solar Balloon
Cool Earth’s inflated solar concentrators may be the lightest power plants around. Looking like a biggie version of those shiny helium balloons you might see at someone’s birthday party, the concentrators weigh just 20 pounds and, tethered to lightweight aluminum towers, seem to float 20 feet off the ground gathering solar energy. Able to withstand winds up to 125 mph, the 8-foot-wide Mylar balloons are reflective on one side, and each one has its own lightweight tether.
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