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One day in 1964 Oxford mathematician Roger Penrose decided that an impossible object could actually exist - a black hole in the galaxy after a planet collapses.Einstein's theory of relativity had predicted that when stars collapse they could form infinitely dense points of matter that no light would be allowed to escape. The formation of black holes supports Einstein's Theory of Relativity says the Nobel Prize Committee. Penrose is 89 and says it is good to get the Nobel Prize when one is good and old. Stephen Hawking a younger physicist passed away and was not included in the prize after supporting Penrose's work. Two astronomers in the U.S. at UCLA, Los Angeles, get a quarter of the prize for their work detecting black holes in the sky and providing evidence of a super massive black hole in the center of our galaxy. Pennrose says "If you have got grand ambitions its bad to get a Nobel Prize too early, it gets in the way of your science." ...

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The latest version of the Galaxy smartphones is the Galaxy Note 8, which replaces the Galaxy Note 7. The Galaxy Note 7 had fire prone batteries which led to a costly recall costing about $6.5 billion. The Galaxy 8 has an "infinity" display that covers the entire front of the phone, for 6.3 inches. It has a dual lens camera and other features to match the iPhone 7. The Galaxy Note 8 effort was led by mobile chief D.J. Koh, who told his engineers not to hesitate in pushing the frontiers of technology, pointing out that Samsung could compete only if it was not afraid to innovate. Actions taken by Koh to prevent quality failures include signing 3 years instead of 1 year contracts with suppliers. The crisis with the Galaxy Note 7 forced Samsung to have its teams work with closer coordination. Samsung's sales have increased with the 6% increase in the market in the second quarter. Samsung had 22% of total shipments, compared to Apple's 11%, and Huawei Technologies 11%, according to Strategy Analytics. Samsung had 20 million shipments of Galaxy S8 and the S8+ since April 2017. In the U.S. Samsung continues to lose share to Apple. Yet overall Samsung has made a strong recovery. ...

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Samsung's Galaxy Tab 10.1 and Apple's iPad. Apple has filed a patent infringement law suit against Samsung for "slavishly copying" the iPad in making the Galaxy tablet computer. This prevents the Galaxy tablet from being sold in Australia.

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IDC reports that Samsung sold 72.4 million smartphones in the second quarter of 2014. The pace of growth is slowing as Samsung faces intense competition from Lenovo, HTC, ZTE in the low end of the smartphone market. High marketing costs are pressuring margins. Samsung second quarter net profit increased by 50% over the prior year quarter. Samsung expects weaker sales of the Galaxy S4 and has ramped up marketing promotion. Demand for expensive smartphones is declining. This has resulted in a 12% decline in Samsung's share price since late April when Samsung started selling the Galaxy S4. Apple faces a 22% decline in profits in the second quarter of 2013.

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The new Samsung Fod smartphone is $500 costlier than the priciest Apple iPhone. It provides a tablet sized phone with glass display that bends in half, so that it can be closed as a wallet and fit in the pocket. It has 6 cameras, can run 3 apps simultaneously and measures 7.2 inches diagonally when open.

In an effort to have a wider lineup at different prices there will be 4 versions of the Galaxy S10, similar to a strategy of Apple to go to a wider lineup.

Smartphone sales have declined for five quarters, including  4.9% decline in the last quarter of 2018, according to IDC. The new versions are an effort to stop the decline.

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Apple reports a slowdown in iPhone sales, with a less than 1 percent in increase in sales, for fiscal first quarter ending Dec. 26, 2015, over the prior year quarter. Revenue is expected to decline by 11% for the quarter ending in March 2016, over the prior year, first such decline in 13 years. Analysts say Apple will have to reduce gross margins of about 40% to increase sales. Apple CFO Maestri says Apple increased prices in some markets because of the strong dollar. When the stronger dollar is excluded from results for the quarter ending Dec. 26, 2015, sales revenue increased by 8% over prior year quarter, according to Apple. As Apple slows down its shares financial performance is stalled at about $100. Apple tried to present a different picture now that China sales are slowing down- it said that users had "engaged" with 1 billion Apple devices whether iPhone, iPad, Mac, or Apple TV, in the last 90 days, by downloading an app, song or movie. These services geneated $5.5 billion in revenues for the quarter ending in December, a 15% increase over prior year quarter....

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Steve Jobs anticipated a post PC period when he told a technology conference in 2010 that PC's would retain a lot of their value, but he said they will be used only by one out of so many users. Tim Cook told a Goldman Sachs investor conference recently: "From the first day it shipped, we thought- not just me, many of us thought at Apple- that the tablet market would become larger than the PC market, and it was just a matter of time that it took for that to occur." Analysts see this happening sometime between 2013 and 2017.