BILBAO, SPAIN / VIRGINIA BEACH, VIRGINIA — Microsoft, Facebook and Spanish telecommunications giant Telxius have just completed work on a massive continent-to-continent underwater cable.
According to a Microsoft news release, the Marea undersea cable is comprised of eight pairs of fiber optic cables, encircled by copper, a layer of hard-plastic and a waterproof coating.
The subsea cable stretches over 4,000 miles from the U.S. east coast at Virginia Beach, to Spain's north coast at Bilbao.
When laying the cable, engineers had to account for an average depth of 11,000 feet and hazards including coral reefs, earthquake zones and active volcanoes.
The cable can transmit a maximum of 160 terabits per second. That's the equivalent of 71 million streaming high definition videos.
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The cable is buried with a sea plow which looks like a farmer's plow. Most cables 60 to 80 percent is buried. What goes over rough train like mountains and shore ends are protected with Armor thick steel wires wrapped around the cable sometimes double armor is required. Caribbean waters have steel tape wrapped around with an extra layer of high density plastic to block the single so sharks don't bite into it. It's called Fish Bite cable. It's buried why ? So it can't be found and fishing trawlers don't damage it. To repair under sea cable cost 1 million per. Cable and that happens daily. Avg. Cost of repairs per. day is 10,000. Per. system to produce depends which country or country's a company is going to its all by km. 100 million to a billion to make.
The satellites have the problem that they have a long delay, another problem is that it is cheap to receive, but sending needs more expensive devices. For high speed communications the whole planet is communicated by submarine cables, and there are many, this being newer has more bandwidth.
That's why there are companies that want to put small satellites at lower altitude to form a network that does not require expensive devices to send and to reduce the delay that in typical satellites is too high.
URBAN NATION MUSEUM FOR URBAN CONTEMPORARY ART is an international institution for art, creative projects and social exchange. Since September 2017 URBAN NATION shows under the leitmotif "Connect. Create. Care." that the house is far more than a museum.
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