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Este posibil ca „șirurile cosmice” să fi împiedicat universul să se distrugă PDF Imprimare
Marţi, 04 Februarie 2020 14:34

             A simulated image of cosmic strings

  The Big Bang theory explains how the universe came to be – but, ironically, if followed to the letter it also suggests that we shouldn’t exist today. That’s because equal amounts of matter and antimatter should have been created, which would just have annihilated each other. But now, physicists have proposed a new theory that explains the mystery – and outlined how we can find direct evidence of it.

Everything around us – and in us – is made of matter. Antimatter, on the other hand, seems to be extremely rare, produced briefly in experiments at CERN or during lightning storms and hurricanes.

     But we should be thankful for that rarity. Antimatter particles have the opposite electrical charge to matter, and if ever the two should meet they’ll destroy each other in a burst of energy. That could be handy for future space travel, but it also suggests that such a voyage would be pretty dull, since everything in the universe would have completely annihilated itself over time.

     The fact that we’re here questioning this right now means that obviously, that didn’t happen. But why? By all accounts the Big Bang should have produced matter and antimatter in equal amounts, so where did all the antimatter go? And why did matter win what should have been an evenly-matched war? Those are some of the biggest unanswered questions in cosmology.


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MWC20 Nokia launches cloud-native network operations software with extreme automation for 5G PDF Imprimare
Luni, 03 Februarie 2020 10:03




   Nokia today announced the launch of the Nokia Network Operations Master to provide communication service providers (CSPs) with highly-automated and scalable software for managing their 5G networks.

    As 5G adds new layers of technical complexity, CSPs will require an intelligent management system to deal with the fast-increasing number of physical and virtual network events that will place heavy workloads on network operation centers.

    Network Operations Master is a new addition to Nokia’s network management portfolio, which delivers best-in-class tools for troubleshooting, administration, software management and configuration management.

   Until now, existing network management systems used for 2G/3G/4G networks have been largely manually driven. They have also been incapable of scaling up to the needs of network evolution to cloud at scale and 5G; and managing the volume of network “slices”, parts of network capacity tailored to different subscriber and application needs.


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IMF Executive Board Completes Fifth Review of the Extended Credit Facility Arrangement for Cameroon PDF Imprimare
Luni, 27 Ianuarie 2020 19:42



   Cameroon to receive the sixth US$76.1 million disbursement from the IMF.

· Program implementation in 2019 was mixed and faced challenges.

· Despite short-term headwinds, the medium-term growth outlook remains broadly positive.

The Executive Board of the International Monetary Fund (IMF) today completed the fifth review of the arrangement under the Extended Credit Facility (ECF) for Cameroon. The completion of the review enables the disbursement of SDR55.2 million (about US$76.1 million), bringing total disbursements under the arrangement to SDR427.8 million (about US$590 million).

The Executive Board also approved the authorities’ request for a waiver of nonobservance of the continuous performance criteria on the non-accumulation of new external payments arrears, based on the corrective actions taken by the authorities.

Cameroon’s three-year arrangement was approved on June 26, 2017 for SDR 483 million (about US$666.1 million, or 175 percent of Cameroon’s quota— see Press Release No.17/248 ). The arrangement aims at supporting the country’s efforts to restore external and fiscal sustainability and to lay the foundations for a more sustainable, inclusive and private sector-led growth.

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Leonardo's Falco Xplorer drone makes maiden flight PDF Imprimare
Vineri, 24 Ianuarie 2020 13:29



                         The Falco Xplorer is the largest drone built by Leonardo

  Leonardo's Falco Xplorer drone has completed its maiden flight. The largest Remotely-Piloted Air System (RPAS) built by the company, the Falco Xplorer S/N0001, took to the air over the Trapani Air Force base in Italy on January 15, 2020, and spent 60 minutes flying over the Gulf of Trapani in a dedicated fly zone before returning to base.

    Making its public debut at the 2019 Paris Air Show, the Falco Xplorer with its 18.8-m (61-ft) wingspan, 24-hour endurance, operating ceiling of over 9,100 m (30,000 ft), and 250 kg (51 lb) payload is designed to provide persistent, multi-sensor strategic Intelligence Surveillance and Reconnaissance (ISR) for both military and civil customers.


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Nokia și Angola Cables testează prima conexiune optică directă între SUA și Africa PDF Imprimare
Sâmbătă, 18 Ianuarie 2020 18:39



  Nokia has announced that Angola Cables is trialling Nokia’s Photonic Service Engine 3 (PSE-3) chipset for the first direct optical connection between the USA and Africa. The route provides direct, low-latency trans-Atlantic routing and greatly simplifies the turn-up of services to better serve rapidly growing data consumption markets in Africa.

   Subsea fiber-optic cables form the backbone of the global internet, connecting countries and continents across vast trans-oceanic distances. The new services leverage the interconnection of two existing subsea cable systems – SACS (South Atlantic Cable System) and MONET. SACS, owned and managed by Angola Cables, operates between Fortaleza, Brazil and Luanda, Angola and is connected to AngoNAP Datacenter. The consortium-owned MONET connects Santos/Fortaleza with Florida/USA.

   Combining SACS and MONET subsea systems in this joint trial allows for the first time 300 Gbps of traffic between Miami and Luanda.     


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