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Showing posts from January 6, 2018

Astronomers Find Largest Molecules Ever Known in Space.

Astronomers have found evidence of buckyballs - carbon molecules shaped like soccer balls - in the nebula around a distant white dwarf star. The discovery marks the largest molecules known to exist in space. Normally found in chemistry labs, where they are made by vaporizing graphite in the presence of helium, buckyballs were long suspected to form inside stars. "As soon as they were discovered in the lab it was actually suggested they would be very good candidates to be found in space," astronomer Jan Cami of the University of Western Ontario, who led the new study, told SPACE.com. Elusive buckyballs Researchers had searched for buckyballs before in the gas and dust between and around stars, but the evidence was inconclusive. Cami and his colleagues identified buckyball molecules, known as C60 because they are made of 60 carbon atoms each. The buckyballs are abou...

Know Your Countries Types of Internet Network Connections.

Computer networks come in many forms: Home networks, business networks, and the Internet are three common examples. Devices may use any of several different methods to connect to these (and other kinds of) networks. Three basic types of network connections exist: Point-to-point connections allow one device to directly communicate with exactly one other device. For example, two phones may pair with each other to exchange contact information or pictures. Broadcast/multicast connections allow a device to send one message out to the network and have copies of that message delivered to multiple recipients Multipoint connections allow one device to directly connect and deliver messages to multiple devices in parallel. Not all networking technologies support making all types of connections. Ethernet links, for example, support broadcast, but IPv6 does not. The sections below describe the different connection types commonly used on networks today. ...

Jose Mourinho: From walking out at Benfica to huge power struggles at Chelsea.

• How It All Unravelled For Man United Boss At His Former Clubs Jose Mourinho has vowed to see out the 18 months remaining on his Manchester United contract.Mourinho’s relationship with the Old Trafford board is understood to be under strain after he questioned the club’s spending when United slipped 15 points behind Premier League leaders Manchester City.Amid the uncertainty shrouding his future, Sportsmail takes a look at how his tenure came to an end at his former clubs. Benfica Following Mourinho’s unrivalled coaching education at Porto and Barcelona — under the tutelage of Sir Bobby Robson and latterly Louis van Gaal — his first head coaching job came at Benfica in 2000.He succeeded Jupp Heynckes at the beginning of the 2000-01 season and made an early statement of intent by thrashing bitter rivals Sporting Lisbon 3-0. But his reign risked being cut short after Manuel Vilarinho was elected the new club president. Vilarinho was hellbent on instating former Benfica player To...

Speedtest Ranks Internet Access Speed In More Than 100 Countries.

How fast is the internet in the country where you live? How does your country compare with others? Are your mobile and fixed broadband speeds equivalent in terms of global rankings? Is your country gaining or falling behind the rest of the world in providing faster internet access? How fast is fast, anyway? How slow is slow? All of these questions and more can be answered with Speedtest’s new Global Index . The Global Index is an interactive ranking of world internet speeds that’s updated monthly. The main page rank orders over 100 countries for both mobile and fixed broadband download speeds. The average speed for each country and whether a country’s rank has increased or decreased over the past month is also shown. To be included on the list, a country must have a minimum of 670 unique user speed tests for mobile and 3,333 tests for fixed broadband each month. There are 122 countries listed for mobile and 133 for fixed broadband. Iraq has the slowest mobile download ...