Tuesday, May 14, 2013

Derby winner Orb arrives at Pimlico for Preakness

Exercise rider Jennifer Patterson walks Kentucky Derby winner Orb after arriving at Pimlico Race Course in Baltimore, Monday, May 13, 2013. Orb is scheduled to run in the Preakness Stakes on May 18. (AP Photo/Patrick Semansky)

Exercise rider Jennifer Patterson walks Kentucky Derby winner Orb after arriving at Pimlico Race Course in Baltimore, Monday, May 13, 2013. Orb is scheduled to run in the Preakness Stakes on May 18. (AP Photo/Patrick Semansky)

Kentucky Derby winner Orb is walked off of a horse trailer by exercise rider Jennifer Patterson after arriving at Pimlico Race Course in Baltimore, Monday, May 13, 2013. Orb is scheduled to run in the Preakness Stakes on May 18. (AP Photo/Patrick Semansky)

Kentucky Derby winner Orb is seen past a wooden fence as he grazes with exercise rider Jennifer Patterson after arriving at Pimlico Race Course in Baltimore, Monday, May 13, 2013. Orb is scheduled to run in the Preakness Stakes on May 18. (AP Photo/Patrick Semansky)

Kentucky Derby winner Orb is walked to a horse van at Belmont Park, Monday, May 13, 2013 in Elmont, N.Y. Orb is traveling to Pimlico to prepare for the Preakness, Saturday, May 18. (AP Photo/Mark Lennihan)

Kentucky Derby winner Orb stands in a stable after arriving at Pimlico Race Course in Baltimore, Monday, May 13, 2013. Orb is scheduled to run in the Preakness Stakes on May 18. (AP Photo/Patrick Semansky)

(AP) ? Orb has settled into the place reserved for royalty at Pimlico Race Course ? stall 40.

The Triple Crown hopeful arrived at Pimlico on Monday afternoon, five days before the Preakness. He was immediately taken to stall 40 at the Stakes Barn, which traditionally serves as home to the Kentucky Derby winner.

Some of the greatest horses in history have been kept there, including Secretariat (1973), Seattle Slew (1977) and Affirmed (1978).

"I can't believe how proud I am," trainer Shug McGaughey said.

Orb was shipped by van after an outstanding workout at Belmont Park. With exercise rider Jennifer Patterson aboard, Orb seemed to move effortlessly around the track on a clear, sunny day. He breezed four furlongs in 47.18 seconds and galloped out five furlongs in 59.54.

"The way he worked this morning was nothing short of magnificent," McGaughey said. "I couldn't be any happier where we are, and I'm very excited about Saturday afternoon."

McGaughey wasn't concerned with the fast fractions, which came nine days after running 1? miles in the Derby.

"I think it's a tribute to the way he came out of the Derby, and to come back and be able to have a work like that and do it the way he did it ? I couldn't be more thrilled," he said in New York. "Right now, I'm on cloud nine. The way he was striding today, the way he held his leads through the lane, I thought it was spectacular."

McGaughey understands the pressure associated with trying to the first Triple Crown winner since Affirmed, although he sees no reason to be nervous.

"Obviously I'm thinking about what I'm going to do this week, but I'm not really worried about it," he said.

Not to mention, Orb hasn't done anything that would indicate he won't be at his best Saturday.

"Everything just of sort of keeps getting better, his demeanor and as much as he's enjoying what he's doing," the Hall of Fame trainer said.

Orb was the second horse to arrive at Pimlico, joining Goldencents, the 17th-place finisher in the Derby.

"I wanted to just get him down here, get him used to his surroundings," McGaughey said. "I like to school him in the paddock, and I didn't want to do too much at one time. So I thought we'd get him in here today, give him his off day tomorrow and then maybe we'll train a little on Wednesday."

For McGaughey, being the favorite in the Preakness is preferable to coming in as the long shot.

"I want to be the favorite every time I run," he said. "Today we're standing up here with a little bit of a target on our back. I like that. If it doesn't work on Saturday, that's going to be just the way it is. I've been doing this quite a long time, and I know you win some and you lose some."

McGaughey has never won a Preakness. The last time he tried was in 1989, when Kentucky Derby runner-up Easy Goer lost to Sunday Silence by a nose.

"Obviously I'm here with the Derby winner so I'm a lot more at ease than when I came in that time," he said.

A win in the 1 3/16-mile Preakness on Saturday would set up a Triple Crown try in the Belmont Stakes on June 8.

Orb, owned by the Phipps Stable and Stuart Janney III, takes a five-race winning streak into the Preakness, where he will face what look to be nine challengers. Among them are Derby runners Mylute (fifth), Oxbow (sixth), Will Take Charge (eighth), Itsmyluckyday (15th) and Goldencents. Also set for the race is Departing, winner of the Illinois Derby.

"I think it's formidable," McGaughey said. "I know that Oxbow made a good run in the Derby. I never really kind of sat down and watched it and pinned it down. The other horse (Will Take Charge) got in some trouble. You've got to respect Departing coming in there off his race in the Illinois Derby and being relatively fresh. My main concern is just trying to get Orb over there the best way we possibly can and if he runs his race I think they'll know he's in there."

___

AP Sports Writer Richard Rosenblatt in New York contributed to this story.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-05-13-RAC-Preakness-Orb/id-580b87e8f06b4b8998bb8630b1ab8bad

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Photonic quantum computers: A brighter future than ever

May 13, 2013 ? Harnessing the unique features of the quantum world promises a dramatic speed-up in information processing as compared to the fastest classical machines. Scientists from the Group of Philip Walther from the Faculty of Physics, University of Vienna succeeded in prototyping a new and highly resource efficient model of a quantum computer -- the boson sampling computer.

The results will be published in the upcoming issue of the scientific journal Nature Photonics.

Quantum computers work by manipulating quantum objects as, for example, individual photons, electrons or atoms and by harnessing the unique quantum features. Not only do quantum computers promise a dramatic increase in speed over classical computers in a variety of computational tasks; they are designed to complete tasks that even a supercomputer would not be able to handle. Although, in recent years, there has been a rapid development in quantum technology the realization of a full-sized quantum computer is still very challenging. While it is still an exciting open question which architecture and quantum objects will finally lead to the outperformance of conventional supercomputers, current experiments show that some quantum objects are better suited than others for particular computational tasks.

The computational power of photons

The huge advantage of photons -- a particular type of bosons -- lies in their high mobility. The research team from the University of Vienna in collaboration with scientist from the University of Jena (Germany) has recently realized a so-called boson sampling computer that utilizes precisely this feature of photons. They inserted photons into a complex optical network where they could propagate along many different paths. "According to the laws of quantum physics, the photons seem to take all possible paths at the same time. This is known as superposition. Amazingly, one can record the outcome of the computation rather trivially: one measures how many photons exit in which output of the network," explains Philip Walther from the Faculty of Physics.

How to beat a supercomputer

A classical computer relies on an exact description of the optical network to calculate the propagation of the photons through this circuit. For a few dozen photons and an optical network with merely a hundred inputs and outputs, even today's fastest classical supercomputer is unable to calculate the propagation of the photons. However, for a boson sampling computer this ambitious task is within reach. The researchers met the challenge and built their prototype based on a theoretical proposal by scientists at the Massachusetts Institute of Technology (USA). "It is crucial to verify the operation of a boson-sampling computer by comparing its outcome with the predictions of quantum physics. Ironically, this test can only be performed on a classical computer. Fortunately, for small enough systems classical computers are still able to accomplish this," as Max Tillmann, first author of the publication, points out. Thus, the researchers successfully showed that their realization of the boson-sampling computer works with high precision. These encouraging results may lead the way to the first outperformance of classical computers in the not-so-far future.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/88QdRx7j5Xc/130513103803.htm

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