If waterworld is our path in the future, we may ALL need levees to keep away the water, and if they fail, like they did in New Orleans during Katrina, we'll need PLUGS.
Researcher Wil Laska has invented technology to quickly seal a levee breach and reduce floodwaters through the opening within four to six hours of detection, before the water can do major damage. He thinks the best solution is a large balloon or tub that is light enough to be transported by helicopter and flexible enough to adapt to a wide range of environmental situations. When launched or dropped, the tube would in quick succession fill with water, float on the flood currents to the breach, and adhere to the breach in the levee that had failed. When Laska tested this, it worked.
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Art credit: Dreamstime.com
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