Usa

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Articles about Usa

1,498 published items.

The mystery of the waterfall flowing in
Environment

The mystery of the waterfall flowing in

Devil's Double Waterfall Kettle, in the state of Minnesota, USA, has a flow into Lake Superior; however, the destination of the other line is still a mystery of nature .…

December 16, 2018
Synchronize traffic lights to avoid traffic jams
Environment

Synchronize traffic lights to avoid traffic jams

To accelerate the speed of street traffic, the city of Los Angeles (USA) has synchronized about 4,000 traffic lights, and is the first city in the world to install this…

December 16, 2018
California at risk of tsunami
Environment

California at risk of tsunami

More than 250,000 people living in coastal residential areas in California (USA) can become victims of tsunamis when a major earthquake occurs in the region.

December 16, 2018
Producing electricity from beer residues
Environment

Producing electricity from beer residues

Alaskan Brewing is a brewing company in the port city of Juneau, Alaska, USA. Like all beer companies, handling beer residues - including the rest of malt and barley gra…

December 16, 2018
Hawaii is gradually falling.
Environment

Hawaii is gradually falling.

The mountains on Oahu island of the Hawaiian Islands (USA) are being disintegrated gradually from the root under the slow but terrible impact of groundwater flows.

December 16, 2018