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U.S. physicists have unraveled and found out how to avoid the rings the emergence of the typical coffee rings. The analysis of the profitable development of inks and uniform coatings, the researchers write Arjun Yodh of the University of Pennsylvania (USA) in the British journal Nature. If spilled coffee drops dry up, they leave a characteristic dark ring around the edge. This is due to the way the droplet evaporates: On most surfaces the edge of the droplet remains fixed so he can not shrink as it dries. The evaporation of the droplets is therefore always flat, so that the remaining water and everything is pushed to the brink in it by and by. If the drop is finally entirely evaporated, almost all coffee particles have reached the edge in it and sit there from a typical ring. The coffee ring effect is very common in everyday life, explains PhD student Peter Yunker from the research group in a statement of his university. The effect is, among other disturbing in paints and coatings that are to be distributed uniformly over the surface. Scientists have made great efforts to avoid the phenomenon, says Yunker. We have found that the effect can be easily turned off by changing the shape of the particles. Because only round particles migrate in the drying droplet to the edge. They dissolve easily from the water air interface at the top air jordan 11 retro of the drop. Elliptical particle shape, however, wavy ripple on the droplet surface, which they dissolve difficult. The physicists studied the with tiny plastic spheres that could be deformed to different degrees of ellipsoids. As soon as you stretch the spherical particles by about 20 percent, they are deposited evenly, says Yunker. In this way, new coating methods could be developed, the researchers believe. Even with a pinch of elliptical particles under similar large spherical allows the walk to the edge of the ellipsoids prevent blocking while the beads the way and hold it so tightly. There are a lot of occasions when you look uniform coatings wishes, says Yunker. This work will encourage people to think of new ways for it. The first railroad constructed the Welsh mining engineer Richard Trevithick in 1803, 22 years before George Stephenson. His steam engine on rails but was only used for transporting coal underground, which is why the public took no notice of the invention. The first driving license in the world (for trips up to 20 km / h) was established on August 8, 1899 issued by the police in Detroit at the time still working at the Edison Electric Company engineer Henry Ford In the summer of 1925, the jordan 9 shoes for sale biology teacher John Scopes Thomas was sentenced to a fine of $ 100 in Dayton, Tennessee Federal instead. He had dealt with Darwinism in the classroom, even though a state law prohibiting to deny the divine origin of man. The lions that played along in the movie Out of Africa ​​in 1985, were imported for the shooting from California to Kenya. For more information, particularly about whether and how personal data is collected and processed, you will find in our DatenschutzbestimmungenDie Moderation of comments rests solely with THE WORLD. In general: Critical comments and discussions are welcome, abuse / insults, however, be removed. How we moderate, we explain in the statement.

DIE ZEIT, Schott / Kempcke / ottenschlä From Flensburg to Usedom of colorful pictures bow with which Bernd Pollmann imagines the German coastal strip along the cheap jordan 1 shoes Baltic Sea ranges. Knapp and clearly he shows in the first section, as Ice Age glaciers formed this body of brackish water, such as wind and waves constantly change it, as the merchants of the Hanseatic rich and the pirates to Störtebeker became famous. Well organized and the chapters on Schleswig, Holstein, Mecklenburg, Rügen, Pomerania Usedom and attune the vacationers wonderful. With a chronology of the history of the Baltic Sea Coast includes the large-format volume, which is much too hard and much too good for the backpack. H. K. 600 years ago, the herring was almost to the horror of all pious in Central Europe. Debt was the piracy in the Baltic Sea, favored by the Scandinavian succession dispute and disagreement of the Hanseatic League. There was the myth StörtebekerAls herrings priceless wurdenDIE TIME, Klaus Schulte Not only the chronicler was outraged Central Europe went into an uproar. Finally, the herring price was not any. Season with salt herring were devout Christians fast air jordan 6 retro for sale days bring a little variety in their culinary monotony of cabbage and pastries, and fast days, on their compliance monitored a severe clergy, there were more than a hundred years. THE TIME Since today luxury trains Sapphire and since rockets Nike hot why is not there a bathroom vessel that is used in the service to Helgoland, called Bunte Kuh ? Several locally proud and self-conscious Hamburgers found, however, that this is a ridiculous name for a proud ship was until they were taught that they owe that ship, the decisive hit the pirate Klaus Störtebeker and his Vitalienbrüder off Heligoland and the pesky pirates, expelled from his native coast. all their rich presence for part of a historical Colorful Cow

If it is true that the Instinct is the nose of the mind, then it is easy to imagine that Thomas Tom Menino these air jordan 11 retro for sale days plagued one rhinitis. Menino is the mayor of the city of Boston, a strong character Americans with silver-gray hair and a lot of principles, next month, in 18 years in office, as long as no one before him. Just one time is also in air jordan for sale Boston summer, full of holes, as we know. As Menino was walking the other day, he is fallen into one. In the window of a sports apparel business, the first man in the town had supposedly see revolting: T-shirts reading Dope (coup up), Get High (career high), Fk Gravity (Sch to the gravity ). Hard stuff for the distinguished Lord Mayor and his on the shopping street defilierende with him wife. Flight scented Menino campaign potential and denounced the radio Nike: . Should educate our young people about the damage that can cause drug But in their shop window on Newbury Street they advertise drugs. The fact that the sayings on t shirts everyday vocabulary among BMX riders, skateboarders or surfers, as Nike objecting (We do not condone the use of banned or illegal substances), Menino does not apply. In a letter to the mayor of Boston urged store owners to banish his opinion foolish textiles from the shop window. In the young, liberal electorate of humorless politicians should not have just spotted. For more information, particularly about whether and how personal data is collected and processed, you will find in our DatenschutzbestimmungenDie Moderation of comments rests solely with THE WORLD. In general: Critical comments and discussions are welcome, abuse / insults, however, be removed. How we moderate, we explain in the statement.

With his triumph in London on the 200 meter sprint megastar Usain Bolt Athletics legend Carl Lewis, the nine-time Olympic gold medalist from the United States overhauled. Bolt now has both the 100 and the 200 meters at two summer games won consecutively, King Carl lacked all 1988 Seoul four hundredths of a second 200-meter gold. For Bolt apparently great satisfaction. In an interview shortly after the 200-meter race Jamaican fired a full broadside against Lewis. Everyone has forgotten him, citing USA TODAY the double Olympic champion. Bolt has obviously never forgave the Americans that this had brought him four years ago subliminally with doping in conjunction. I do think that there are a few questions there. But no one accuses someone here. But if someone one years 10.03 seconds and 9.69 seconds in the next run, and you not question this, then you are a dork. The bag has, for example, the front a large Nike logo, and the zippers are of Adidas, wrote the 20-year-old at the online service Twitter. The equipment had received the Sportsman of the Egyptian Olympic Committee. It is very frustrating that the participants 2000 (Egyptian) must pay pounds to look okay, Khallaf wrote. The bag has, for example, the front a large Nike logo, and the zippers are of Adidas, wrote the 20-year-old at the online service Twitter. The equipment had received the Sportsman of the Egyptian Olympic Committee. It is very frustrating that the participants 2000 (Egyptian) must pay pounds to look okay, Khallaf wrote. The official Olympic clothing was stolen while Wiggins was in the fitness and wellness area, wrote the 32-year-old star wheel with the Internet service Twitter. Crazy Olympics NBC Splitter is ahead of his time. The U.S. NBC television network refers by his critics once again beating. On Monday night, NBC had in his free-main evening broadcast announced an interview with a swimming Olympic champion Missy Franklin even before the race was to be seen. If they are 17 years of age and win their first gold, there is no one with whom she would share it dear , NBC promised in the teaser. He was shown immediately before the recorded broadcast of the final air jordan 4 retro run 100m backstroke, in which Franklin had indeed become Olympic champion. I snore quite strong, admitted the coach. Chef d'equipe Klaus Roeser therefore not moved in with Hilberath., The Olympic bronze medalist in the class up to 60 kg air jordan 6 for sale was itself not separate in the morning shower the good piece of precious metal dropped at the floor . the bracket for the collar broke it off. I was afraid that they will get wet and have it inserted when soaping between her teeth. And since it is me slipped out of his mouth, said the 23-year-old a little taken aback. The Chef de Mission of the Brazilians, Bernard Rajzman wants to ask the International Olympic Committee to spare. Crazy Olympics splitter Gone to the dogs: The American sports shooter Kim Rhode almost missed because of their overly playful poodle puppies their flight to the Olympic Games in London. At the launch of a North Korean player on the scoreboard in Glasgow's Hampden Park, the portrait was displayed along with the flag of the enemy brother nation South Korea. In addition, to have been placed at the entrance of the players tunnel, a South Korean flag. Clock at 20.50 local time, the meeting was then kicked off after the North Korean players to the original offense (19.45 clock) had not come out of the cabin. Crazy Olympics Splitter From Cardiff to Aberdeen all England . The British women's team sent out after the 1-0 opening win against New Zealand in Cardiff a press release, saying from force of habit of a success for England. Occur at the games in London, unlike in World and European championships, two joint teams with players from England , Scotland, Wales and Northern Ireland. Crazy Olympics Splitter As you see, you see nothing. Affliction is before the spectators who have purchased tickets for the competitions of Kunstund diver in the Aquatics Centre. Of about 600 places the jump platform 10 m tower can not be seen. Visitors can now return the tickets. Foreign Minister Kostjantin Grischenko should have intervened even about the Ukrainian ambassador in London.

The signs of an impending correction in the U.S. stock exchanges to take. One day before the publication of important figures of the quarter broad stock index fell 500 on Monday by cheap jordan 1 shoes 1.3 percent to 1819 points. That was the strongest return for two months. The Dow Jones Index fell by 1.1 percent to 16,258 points. For the default values ​​barometer it was the toughest one day loss since September. The courses economically sensitive stocks such as the software manufacturer Microsoft, the sporting goods supplier Nike and entertainment company Walt Disney plummeted by more than 2 percent each. The fear index VIX, an important benchmark for the mood of investors, climbed on the month to the highest level in a month. Historical comparison, the index is still, however, at a low level. The Vix volatility index of the Chicago Board Options Exchange CBOE, tracks the prices of options contracts, with which investors can hedge against losses due to unexpected fluctuations in S 500. The growing nervousness seems to be a consequence of the significantly weaker-than-expected jobs data for December. Share prices had benefited from the last hope of a robust economic growth. The U.S. Labor Department reported on Friday but had for December only 74,000 jobs created outside agriculture. Economists had calculated an average of air jordan 6 retro for sale 197,000 new jobs. Some economists gave themselves whether the mishap but not surprised. We attribute this to the weather, said Vincent Reinhart, America chief economist at the investment bank Morgan Stanley, on the Monday before international journalists. In December it had been so cold not seen for four years, which affected the business in the construction industry and the leisure industry . Overall, the fourth quarter was very strong, concluded Reinhart. The number of new jobs created in November had been raised by 38,000 to 241,000 points. On Tuesday put JP Morgan Chase and Wells Fargo as first of a number of major banks its results for the last quarter before. Stock brokers seem to be prepared for nasty surprises. The KBW bank index industry barometer fell by 1.3 percent on Monday.