Kabelnya disangka belut mungkin ya? :D jd digigitin On Aug 18, 2014 2:37 PM, "Arianto C Nugroho" <[email protected]> wrote:
> ternyata hiu juga senang makan kabel bawah laut .. sampai-sampai Google > harus investasi bahan pelindung dari kevlar untuk melindungi kabel bawah > lautnya .. > > > > The long history of protecting internet cables from sharks > [image: Great White Shark. Credit: Hermanus Backpackers, Flickr > (https://www.flickr.com/people/36084059@N08)] > > Gallery > <http://www.pcpro.co.uk/gallery/news/390301/the-long-history-of-protecting-internet-cables-from-sharks> > > By Jane McCallion > > Posted on 15 Aug 2014 at 16:16 > > Google is investing in shark-proof undersea fibre optic cabling in order > to fend off attacks from the sea's terrifying apex predators. > > The story was sparked by comments made by Dan Belcher, a product manager > on Google's cloud team, during the opening keynote of the company's Cloud > Roadshow in Boston last week. > > According to *Network World* > <http://www.networkworld.com/article/2464035/cloud-computing/google-wraps-its-trans-pacific-fiber-cables-in-kevlar-to-prevent-against-shark.html>, > Belcher said Google invests heavily in protecting its trans-continental > infrastructure, including wrapping cables in Kevlar to thwart attacks by > hungry sharks. > > The idea that a shark would attack a fibre optic cable isn't as > unreasonable as it may sound. Scientists have shown > <http://www.futurity.org/scientists-amazed-sharks-use-senses-hunt/> that > even when blindfolded and fitted with nose plugs, sharks can detect and > kill prey, thanks to a "sixth sense" - they are able to detect the > electrical fields generated by all living animals. > > And, fibre-optic cables generate a stronger electrical field than the > copper cables that preceded them, which is enough to trigger the shark's > hunting instinct. In the mid-80s, when the new infrastructure was starting > to come into its own, reports of sharks gnawing on cables started to appear. > > The earliest report of this kind of behaviour comes from the Canary > Islands in 1985, when sharks' teeth were found embedded in an experimental > cable. > > Two years later, *The New York Times* > <http://www.nytimes.com/1987/06/11/us/phone-company-finds-sharks-cutting-in.html> > reported > a submerged transatlantic fibre-optic telephone cable had been savaged by > sharks four times. > > Indeed, there's even a 2010 video of a hopeful shark chomping on a > fibre-optic line. > > > However, as the *NYT* article points out, there are many other more > common hazards that threaten undersea infrastructure - anchors, propellers, > trawler and other deep-sea fishing nets, human saboteurs > <http://www.bbc.co.uk/news/world-middle-east-21963100>, seaquakes and > even submarine volcanoes can damage the cables, not to mention natural > corrosion. > > Additionally, this is not a new problem: in the 29 years since the Canary > Islands incident, communications companies have been protecting their > cables against shark attacks, previously using double layers of steel. The > only thing about Google's approach that's truly novel is the use of Kevlar. > > So all the galeophobes out there can rest easy for now: Jaws isn't about > to swallow your internet connection. > > > Read more: The long history of protecting internet cables from sharks | > News | PC Pro > <http://www.pcpro.co.uk/news/390301/the-long-history-of-protecting-internet-cables-from-sharks#ixzz3Aj8ZwZFe> > > http://www.pcpro.co.uk/news/390301/the-long-history-of-protecting-internet-cables-from-sharks#ixzz3Aj8ZwZFe > > -- > -- > Best Regards > Arianto C Nugroho > http://id.linkedin.com/in/ariantonugroho > skype-id : nugroho.arianto > > > -- > ========== > Berubah menjadi lebih terkendali bersama @kartuHalo Halo Fit Hybrid > Info Lengkap >> tsel.me/halohybrid #KendalikanHidup > ------------------- > Gunakan layanan Hosting Indonesia yang stabil, terjangkau dan aman > Kunjungi >> http://www.Qwords.com > -------------------- > ID-Android on YouTube > https://www.youtube.com/watch?v=0u81L8Qpy5A > -------------------- > Kontak Admin, Twitter @agushamonangan > > Aturan Umum ID-ANDROID >> http://goo.gl/NfzSGB > > Join Forum ID-ANDROID >> http://forum.android.or.id > ========== > --- > Anda menerima pesan ini karena berlangganan grup "[id-android] Indonesian > Android Community " di Google Grup. > Untuk berhenti berlangganan dan berhenti menerima email dari grup ini, > kirim email ke [email protected]. > Kunjungi grup ini di http://groups.google.com/group/id-android. > -- ========== Berubah menjadi lebih terkendali bersama @kartuHalo Halo Fit Hybrid Info Lengkap >> tsel.me/halohybrid #KendalikanHidup ------------------- Gunakan layanan Hosting Indonesia yang stabil, terjangkau dan aman Kunjungi >> http://www.Qwords.com -------------------- ID-Android on YouTube https://www.youtube.com/watch?v=0u81L8Qpy5A -------------------- Kontak Admin, Twitter @agushamonangan Aturan Umum ID-ANDROID >> http://goo.gl/NfzSGB Join Forum ID-ANDROID >> http://forum.android.or.id ========== --- Anda menerima pesan ini karena Anda berlangganan grup "[id-android] Indonesian Android Community " dari Google Grup. 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