Anomalies in Planetary Magnetic Fields

first_imgSomething is terribly wrong in the geodynamo theory for magnetic fields.As Cassini scientists admitted (NASA and JPL), Saturn’s magnetic field contradicts theory. There is almost zero difference between the spin access and its magnetic field axis. Theory requires some degree of difference to drive the dynamo assumed to create magnetic fields. This “surprising” fact remains unexplained after Cassini’s 13-year mission.Based on data collected by Cassini’s magnetometer instrument, Saturn’s magnetic field appears to be surprisingly well-aligned with the planet’s rotation axis. The tilt is much smaller than 0.06 degrees — which is the lower limit the spacecraft’s magnetometer data placed on the value prior to the start of the Grand Finale.This observation is at odds with scientists’ theoretical understanding of how magnetic fields are generated. Planetary magnetic fields are understood to require some degree of tilt to sustain currents flowing through the liquid metal deep inside the planets (in Saturn’s case, thought to be liquid metallic hydrogen). With no tilt, the currents would eventually subside and the field would disappear.Saturn is not the only planet with a magnetic problem.Geophysical Research Letters posted a paper, “The case against an early lunar dynamo powered by core convection.” The authors figure, “we determine herein that there is insufficient energy associated with core convection – the process commonly recognized to generate long-lived magnetic fields in planetary bodies – to sustain a lunar dynamo for the duration and intensities indicated.”Geophysical Research Letters also posted another anomaly, “Insufficient energy from MgO exsolution to power early geodynamo.” Notice the first sentence in the Abstract, and how the authors debunk a proposal to keep the dynamo going for the assumed age of the Earth:The origin of Earth’s ancient magnetic field is an outstanding problem. It has recently been proposed that exsolution of MgO from the core may provide sufficient energy to drive an early geodynamo. Here we present new experiments on Mg partitioning between iron-rich liquid and silicate/oxide melt. Our results indicate that Mg partitioning depends strongly on the oxygen content in iron-rich liquid, in contrast to previous finding that it depends only on temperature. Consequently, MgO exsolution during core cooling is drastically reduced and insufficient to drive an early geodynamo alone.At The Conversation, Christopher Davies titled his post, “Mysterious ‘geomagnetic spike’ 3,000 years ago challenges our understanding of the Earth’s interior.” This article mentions something important to know about magnetic field theories: “Most of our knowledge of the core derives from roughly the last 200 years, corresponding to the time when direct magnetic field measurements have been available.” Assuming anything about the magnetic field for 4.5 billion years, therefore, requires extrapolation of observations by 230,000 percent.This is another area where scientific papers differ sharply from what is told the public. TV programs and school textbooks make it seem like magnetic fields are all figured out. Real scientists sweat over theories that don’t work.A new book we will be announcing this weekend has a whole chapter on the problem of Earth’s magnetic field. Watch for it Sunday. (Visited 518 times, 1 visits today)FacebookTwitterPinterestSave分享0last_img read more

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Oscar nomination for SA film

first_img26 January 2005In a first for South African cinema, Yesterday – the first ever feature-length isiZulu film – has been nominated for a 2005 Academy Award in the category of best foreign language film.Hotel Rwanda, a South African-British-Italian co-production shot mainly in SA, also got three Oscar nominations – for Don Cheadle for best actor in a leading role, Sophie Okonedo for best actress in a supporting role, and for best original screenplay.Yesterday is a completely South African project, produced by Videovision Entertainment with the support of M-Net, the National Film and Video Foundation and the Nelson Mandela Foundation. The cast and key crew were all South African.“We are ecstatic to have received South Africa’s first Oscar nomination,” producer Anant Singh said after the announcement of the nominations on Tuesday. “Yesterday is a South African film in an indigenous language and one that showcases our country’s amazing creative talent in a local story.”The film, written and directed by Darrell Roodt (Place Of Weeping, The Stick, Sarafina and Cry, The Beloved Country), took its story of an HIV-positive mother deserted by her husband to the 2004 Venice and Toronto international film festivals – and more recently to the Pune International Film Festival in India – and triumphed at each venue.Yesterday scooped the inaugural Human Rights Film Award at the Venice festival, and the Best Film Award at the Pune festival.And after its North American premiere in Toronto, HBO Films acquired Yesterday for distribution in the United States, where it is being released through Fine Line, the speciality film division of New Line Cinema, the company that produced and distributed the Lord of the Rings trilogy.Shot on location in the Bergville region of KwaZulu-Natal, Yesterday stars Leleti Khumalo of Sarafina! fame – Khumalo also stars in Hotel Rwanda – Kenneth Kambule, Harriet Lehabe, Camilla Walker, and child star Lihle Mvelase.The film tells the story of a young mother, Yesterday, who discovers that she is HIV-positive. Her husband, a migrant mineworker, refuses to accept this, and Yesterday is left to fend for herself and her daughter, Beauty, hoping she will survive long enough to see Beauty go to school.“Even though the film is in isiZulu with English subtitles, we are confident that audiences will respond positively to Yesterday, as it is a universal story that takes one on a journey through one woman’s life and highlights her courage and determination to overcome insurmountable odds,” Singh said.Yesterday is the first feature film to have the support of the Nelson Mandela Foundation, which will use the film as a resource in its social development programme, especially in its HIV/Aids and education focus areas.“When Anant Singh approached us about the making of the film, we had no hesitation in responding,” Nelson Mandela Foundation chief executive John Samuel said before a gala screening of the film at the International Aids Conference in Bangkok in July 2004. “You will see this evening that the story of Yesterday is a very simple yet powerful one.“In our fight against HIV/Aids, we need these kinds of stories which tell us about challenges, about difficulties and the tragedies,” Samuel said. “We also, at the same time, need stories that tell us about hope – and Yesterday is about hope.“Mr Mandela has been full of praise for this film because he sees this as an important way of fighting the discrimination and stigma that is attached to the Aids pandemic.”SAinfo reporterWould you like to use this article in your publication or on your website? See: Using SAinfo materiallast_img read more

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Paralympic heroes back in South Africa

first_imgHundreds of supporters were on hand to welcome Paralympic Team South Africa home. Queen of the pool Natalie du Toit, who has announced her retirement, was one of a number of athletes who received a well-deserved incentive. Triple medallist Oscar Pistorius expressed his surprise and delight at the turnout, saying that it was unexpected.(Images: Janine Erasmus) MEDIA CONTACTS • Paena Galane  Media liaison officer, Department of  Sport and Recreation  +27 12 304 5000 or +27 79 509 9833 RELATED ARTICLES • Running into the history books • A bit of SA in London • SA’s fashion gold medallist • Paralympic dream teamMediaClubSouthAfrica.com reporter“The very last anthem played at the 2012 London Paralympics was South Africa’s,” said sports minister Fikile Mbalula. “It was a fitting end to the games, and a tribute to our sportsmen and women.”Mbalula was speaking at OR Tambo International Airport, where a noisy, enthusiastic crowd of hundreds of people gathered to welcome South Africa’s Paralympic team home after a successful campaign in London.Team South Africa finished 18th overall with 29 medals – eight gold, 12 silver and nine bronze.Mbalula was referring to the 2012 Paralympic Games’ final event, the T44 400m, won by Oscar “Blade Runner” Pistorius. The last day of competition saw five medals added to the South African tally, including silver for Dyan Buis (T38 200-metre), Kevin Paul (S9 100m breaststroke) and Anruné Liebenberg (T46 400m) and gold for Pistorius and Fanie van der Merwe (T12 100m).“It’s time now to look forward to 2016 and Rio,” said Sascoc CEO Tubby Reddy, speaking at the same event.Warm welcomeThe homecoming was organised by social activism initiative Lead SA, in conjunction with Airports Company South Africa, the Department of Sports and Recreation and the South African Sports Confederation and Olympic Committee (Sascoc). Children skipped classes and workers took a bit of time off work to be there. Many disabled people, some of whom were athletes themselves, were also in the crowd.“Welcome back our heroes”, “You made us proud”, and “We love you Natalie” were just a few of the slogans seen on placards all over the arrivals hall, while flags, vuvuzelas and ululations added to the festive atmosphere.A delayed touchdown and a longer wait were eased by a tireless group of drummers who entertained the crowd and kept their spirits high.Chukuru the rhino, Team South Africa’s mascot in all multi-coded sporting events, was also spotted mingling with supporters.Rewarded for their hard workThe fiery politician is also credited with a big role in the decision by Sascoc to award Paralympic medallists the same bonuses as their able-bodied counterparts. Initially Paralympic athletes were offered R100 000 (US$12 200) for a gold medal, R75 000 ($9 100) for a silver medal, and R40 000 ($4 900) for bronze, whereas Olympic medallists got R400 000 ($49 000), R200 000 ($24 400) and R80 000 ($9 800) for gold, silver and bronze respectively.“But anything less would be discrimination,” said Mbalula, making the announcement at the official closing in London of Team South Africa’s Olympic and Paralympic base, e-Khaya, on 8 September.And true to his word, Mbalula, his deputy Gert Oosthuizen, Reddy and Sascoc president Gideon Sam presented the winners with dummy cheques right there in front of the cheering crowd at OR Tambo. The amounts ranged from R80 000 to a whopping R1.4-million ($170 660) for superstar Natalie du Toit, whose glittering swimming career is now over, as she has announced her retirement.The medallists’ coaching and other support staff also deservedly received a bonus. “I couldn’t have done it without my coach,” said triple medal winner Pistorius, adding that he hadn’t expected such a warm welcome, and that he was “humbled”.last_img read more

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NAB 2014: Sony Releases A7s, 4K Output with 400k+ ISO

first_imgVideo Resolution3840 x 2160 HDMI Output, 1920 x 1080 in-camera recording Sony’s latest camera offers incredibly high sensitivity and 4K output.Along with an updated firmware for the F5 and F55, Sony has announced the arrival of their 4K A7s camera at NAB 2014. The camera is historic and boasts one of the most impressive sensors on the market.The A7sThe A7s boasts in incredibly high amount of sensitivity, with ISO reaching as high as 409,600. What’s even more astonishing is the great color performance at such high ISO levels. The camera also features 4K HDMI output for 4K recording.This camera is truly historic as it features the very first full-frame sensor that doesn’t use pixel-binning. If you’re not sure what pixel binning is check out this article. The test footage is really amazing. Check out this test footage shot by Den Lennie of F-Stop Academy:A7s Specs Still not convinced? Here is an overview video created by Sony showcasing the A7s capabilities.Pricing and AvailabilityA price for the A7s has not been set yet but with the price of the A7 being around $1,700 we can expect the A7s to be around $2,000. The A7s is expected to ship in June of this year.What do you think of the A7s? is the high sensitivity enough to justify buying it? Share in the comments below. PowerNP-FW50 Audio InputsStereo mic input OutputHDMI Audio File TypeAC-3 Chroma Subsampling4:2:0 Recording CodecAVCHD, H.264, XAVC-S SensorExmor CMOS 14 bit Reference OutputHDMI Card TypeMemory Stick PRO Duo Monitors7.5cm LCD Screen Frame Rate30p/25p in 4K via HDMI, up to 60p in 1080 in Camera Dynamic RangeUnkownlast_img read more

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Dilshan, Upul create history at 2011 World Cup

first_imgTillakaratne Dilshan and Tharanga starred in a record 282-run opening stand to guide Sri Lanka to a mammoth 327 for six against Zimbabwe in a group A match of the World Cup at Pallekele International Stadium in Sri Lanka on Thursday.Dilshan was elected Man of the Match.Dilshan smashed 144 before taking 4-4 to help Lanka beat Zimbabwe by 139 runs and reach the World Cup quarter-finals on Thursday.Dilshan blasted 16 fours and a six to score a 131-ball 144, while Tharanga plundered 17 fours en route to his 133, to guide the 1996 winners to a mammoth 327 for six in a group A encounter at the Pellekele stadium here.Dilshan also missed the record for the highest runs in an innings by a Sri Lankan in a World Cup by a whisker as he finished one short of Aravinda de Silva’s 145 against Kenya in 1996 World Cup.last_img read more

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Calendar of events

first_imgApril 15, 2011: Relish a new pasta menu at The Beach Shack, 104, Palm Spring, Link Road, Malad. April 16, 2011: Go for the organic food fest called Farmers Market at Turf Club from 3 p.m. to 9p.m. April 17, 2011: Solo exhibition by artist Jitish Kallat titled Stations of,April 15, 2011: Relish a new pasta menu at The Beach Shack, 104, Palm Spring, Link Road, Malad.April 16, 2011: Go for the organic food fest called Farmers Market at Turf Club from 3 p.m. to 9p.m. April 17, 2011: Solo exhibition by artist Jitish Kallat titled Stations of a Pause at Queens Mansion, G.T. Marg, Fort.April 18, 2011: This summer experience true Goan five-star hospitality at Kenilworth Beach Resort and Spa.April 19, 2011: Bag fabulous deals at the shopping Bazaar at world Trade Centre, Hall 1, Cuffe Parade from 10 a.m. to 7 p.m..April 20, 2011: Beauty pagent Glamour Face 2011 to be held at TM Studio, Kharghar from 5 p.m. to 9.30 p.m.April 21, 2011: Valhalla presents new seasonal menu comprsing contemporary choice of World cuisine with Asian and Mediterranean dishes. April 22, 2011: Learn how to set up your own business in 56 hours at Mumbai start up camp at HQ (Headquarters), Colaba.April 24, 2011: Suhas Roy’s paintings titled Beyond Radha at Hacienda Art Gallery, Great Western Building, Kala Ghoda. April 26, 2011: Project 88 presents installations by Zuleikha Chaudhari titled Propositions: On Text and Space 11 at BMP Building, Colaba.April 28, 2011: Splurge at the summer shopping festival at Hotel Tulip Star, Juhu from 11 a.m. to 8 p.m. April 30, 2011: Savour eastern flavours with a set lunch menu comprsing Japanese dishes at Fenix, The Oberoi from 12:30 p.m. to 3:30 p.m.May 2, 2011: Attend a workshop on effective parenting at Andheri-512 from 2 p.m. to 4 p.m.May 3, 2011: Escapades adventure trips organises an adventure camp to Matheran for children between 7-16 years. Cost: Rs 4,500 per child.May 4, 2011: India International Hospitality fair at Bombay Exhibition Centre, Goregaon, 10 a.m. onwards.May 6, 2011: India International Sign Show 2011 on latest developments in electronic and print media at Bombay Exhibition Centre.May 7, 2011: PALM India Expo 2011 on professional audio, music production, FM Radio and live sound at Bombay Exhibition Centre.May 8, 2011: Aayush presents health, beauty, fitness and sports expo at Bombay Exhibition Centre.May 9, 2011: Mumbai Cafe to host final screening of the Def Poetry Jam, 9:30 p.m. onwards. May 11, 2011: Summer camp for children between 8 to 12 years at Saifee Hospital, Charni Road. Cost: Rs 1,000 per child.May 12, 2011: Attend the Sleep Event 2011, a two-day conference on architecture and design, at The Western Mumbai Garden Centre.May 13, 2011: Summer smoothie festival at Gostana, Bandra. Get any smoothie with a burger for just fifty bucks.advertisementlast_img read more

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It Was Finally Fabiano Caruanas Turn To Survive At The World Chess

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Magnus Carlsen got a black eye before Game 9 of the World Chess Championship. But it didn’t hinder his vision of the board as Wednesday’s play began.For the first time in nearly two weeks of play, Carlsen, the defending champion, was able to successfully command the white pieces to an attacking advantage. Throughout much of Game 9, Carlsen outdueled his challenger, Fabiano Caruana. Caruana, the world No. 2, appeared to reel at points, and his allocated time melted off his clock as he pondered his defense.But Carlsen’s advantage melted, too. The game was drawn after 56 moves over 3.5 hours of play. It was the ninth consecutive draw and the best-of-12 match sits level at 4.5-4.5.Before the game Wednesday, the list of colorful stories orbiting the match ballooned to two. First came the infamous deleted YouTube video appearing to show elements of Caruana’s pre-match strategic preparation. Now we had the black eye.NRK, the Norwegian broadcaster, reported that Carlsen collided — excuse me, “kolliderte” — with one of its own journalists while playing soccer on Tuesday, a rest day from the chess. Questions were raised about Carlsen’s mental soundness — a grandmaster should do nothing but grandmastering, apparently. Per Google’s translation of NRK, he was reportedly “dumbfounded” after the crash. “If he has to use pain relief, there may be a potential problem,” NRK wrote.But those neurological questions seemed quickly answered at the board and Carlsen said he felt no pain while playing.The first eight moves on Wednesday exactly matched the first eight from Game 4 — their name sounds like something out of Tolkien, an English opening that became a Reverse Dragon. But the game took a radical and aggressive turn on move 9, when Carlsen scrambled his bishop to the g5 square, into enemy territory and with its mitre directly pointed at Caruana’s queen. This match has been different for Carlsen than his 2016 World Chess Championship encounter against Russian challenger Sergey Karjakin, which began with seven consecutive draws. Many of those found Karjakin on the backfoot, escaping like Houdini from the shackles of the world champion. Caruana, however, has rarely been in real trouble until Wednesday, and this year Carlsen has been forced to play the part of escape artist.Carlsen would, however, be an enormous favorite should the tiebreakers become necessary. “I think there are some long-term dangers here for black,” said Hikaru Nakamura, a top American grandmaster commentating for Chess.com. Carlsen’s white bishop, for example, was far more active than Caruana’s. “If Caruana doesn’t find the right moves, he will lose.”It appeared to all the world that the Norwegian chess superstar would finally make real progress in the match, and indeed that a victory in the moves to come would effectively decide the match — and the world title — itself. “There are certain types of positions where Magnus is stronger than a computer,” said Anish Giri, the world No. 5, on a chess24 broadcast.It’s an evocative claim, but it was not true on Wednesday. Carlsen may have rushed his attack on move 25, shortly after the position above. He pushed his pawn up the flank on the edge of the board, to h4 and toward Caruana’s king. He then pushed it again, to h5. It may have been a square too far, or at least too soon. (The computer engine Stockfish preferred involving that active white bishop instead.)“He’s just not playing his best chess,” added Peter Svidler, the world No. 19, on that very same broadcast. The position simplified dramatically and the two shook hands — which they must be getting very good at — after 56 moves.Ah, chess is cruel. Here’s a chart to quantify that cruelty — and we’ll keep it updated throughout the rest of the match. There are three regular games left, and speedier tiebreaker games will follow on Nov. 27, if necessary. This specific position has only ever materialized on a tournament chessboard once before, according to the ChessBase database, in an otherwise uncelebrated game in 2008 between two Croatian non-grandmasters. (Though black won that one.) The attack was on, and Caruana contributed with a misstep on his 17th move, capturing a knight in Carlsen’s territory that he oughtn’t have. That capture sparked a series of moves that eventually allowed Carlsen’s bishop to escape, flying across the board to capture the black pawn on b7.As deep into the game as the 18th move, Carlsen hadn’t spent more than a minute on any one move and quickly opened up a 40-minute advantage on the clock. One knock against the champ in this match has been his apparently lackadaisical preparation. But he was solidly prepared for his aggressive line on Wednesday, sailing through his moves. Caruana, meanwhile, took 9 minutes to make his 12th move, 21 minutes on his 13th, 8 on his 14th and 13 on his 17th.The fruits of the Norwegian’s preparation appeared to be a comfortable position: Either he would win or he would draw. Before Carlsen’s 24th move, the position looked like this. “I’m really not thinking about the tiebreak now,” Caruana said after the game. “I really don’t agree with most people about my chances in the tiebreak.”Game 10 begins Thursday at 3 p.m. Greenwich Mean Time — that’s 10 a.m. Eastern. But that’s also Thanksgiving. As a result, our next dispatch will come on Friday. Chess waits for no turkey, but FiveThirtyEight does. I’ll be covering the rest of the match here and on Twitter. read more

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San Diego Police and SAY San Diego host open house for crimefree

first_img KUSI Newsroom, KUSI Newsroom 00:00 00:00 spaceplay / pause qunload | stop ffullscreenshift + ←→slower / faster ↑↓volume mmute ←→seek  . seek to previous 12… 6 seek to 10%, 20% … 60% XColor SettingsAaAaAaAaTextBackgroundOpacity SettingsTextOpaqueSemi-TransparentBackgroundSemi-TransparentOpaqueTransparentFont SettingsSize||TypeSerif MonospaceSerifSans Serif MonospaceSans SerifCasualCursiveSmallCapsResetSave SettingsCrime-free Multi-housing, a partnership between the San Diego Police Department and SAY San Diego, brings a hands-on, collaborative approach to reduce crime, drugs and gangs in apartment communities.The program’s regional footprint is expansive: There are 85 Crime-free Multi-housing certified properties in the City of San Diego overseen by 52 property management companies. The program is open to residential communities of 16 or more units. Posted: June 1, 2018 June 1, 2018 Categories: Local San Diego News FacebookTwitter San Diego Police and ‘SAY San Diego’ host open house for crime-free housinglast_img read more

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