Brazuca

Behind the Brazuca: NBC’s extensive research hints less “knuckle-ball” in Brazil, NASA agrees

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After our extensive research it seems as though we can at least guarantee one thing at the 2014 World Cup in Brazil… a better soccer ball to play with.

Cast your minds back to the 2010 World Cup and the debacle that was the Jabulani ball which swerved and dipped all over the place to resemble a beach ball, rather than the ball of choice for the worlds most prestigious soccer tournament.

But fear not, the Brazuca — which was unveiled by FIFA last week before the 2014 World Cup draw — won’t be a distant relative to the Jabualni. It will be, well, more normal. I’m sure goalkeepers of all 32 nations who’ve qualified are now breathing a huge sigh of relief.

For all the details on the new ball, we share with you the incredible in-depth study from Ben Popken for the Consumer News at NBC Business. Ben takes up the story as a Japanese University and NASA break down the science behind the ball, which will be kicked around to either crush or ignite the dreams of billions of soccer fans across the globe next summer.

Over to you, Ben.

The Jabulani curse is lifted.

Any knuckleballs at the 2014 World Cup should be mostly intentional, according to new independent wind tunnel results by Japanese university researchers.

The researcher’s data shows the new Adidas-designed Brazuca matchball for the 2014 World Cup is less likely to swerve at goal strike speeds, meaning there shouldn’t be a repeat of the maddeningly erratic balls at the 2010 World Cup. During those games, goalkeepers and outfield players alike accused the Jabulani matchball, with its glossier texture, asymmetrical panels, and shorter panel bonds, for voodoo shots and an early tournament goal drought.

At the University of Tsukuba in Japan, sports engineering researchers mounted soccerballs in a wind tunnel, blasted them with air, and measured what happened.

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After undergoing extensive testing in labs, the “knuckle-ball” will be much less than we experienced with the Jubulani. (NBC News)

Now, in aerodynamics, for every surface there’s an airspeed at which the air flowing over it switches from smooth to turbulent, what’s called the “critical Reynolds number,” and can lead to the sudden veering in flight known as “knuckle-ball.” But in the tests the Jabulani’s occurred at higher speeds than the mid-30’s mph seen on older balls.

In fact, it happened at 53 mph, right in the 50-60 mph range professional goal strikes and corners start at.

That could explain a few things that happened in South Africa.

This time around, those strikes should power through the knuckle-ball effect. In the wind tunnel tests, the Brazuca’s critical Reynolds number occurred at 38 mph.

Those results are more comparable to the Tango 12 ball, itself a player favorite and one of the balls on which Adidas based the design for the Brazuca.

“The asymmetry of ball panel location is one of the reasons to produce knuckling effect,” said Dr. Takeshi Asai of the University of Tsukuba’s Institute of Health and Sports Science. “Ordinarily, the asymmetry of ball panel increases, as the ball panel number decreases.”

That means the Brazuca’s six interlocking boomerang panels, fewer than the Jabulani’s eight, both of which are fewer than the classic 32 pentagon and hexagon panels, could normally pose a problem.

“However, the total distance of the panel bonds or seams of the Brazuca is longer than that of Jabulani,” said Aasai, 10.89 feet worth compared to the Jabulani’s 6.49. “Therefore, I think the strength of the knuckling effect may be slightly lower than that of Jabulani.”

A NASA researcher agrees.

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Click to enlarge: Here’s the findings which shows how the Brazuca will perform (NBC News)

Rabi Mehta, Branch Chief at NASA Ames Research Center and an aerodynamics expert who previously evaluated the Jabulani, has examined close up photos of the new ball. He thinks the Brazuca will gain stability over the Jabulani from its longer seams, identical interlocking panels, and a surface that features a slightly raised texture similar to a basketball’s.

“My theory is that the effective roughness compared to the previous ball is increased, which means the speed at which it knuckles is lower,” said Mehta.

That’s good news for Adidas, which has spent years making sure the Brazuca isn’t Jabulani part 2. They kicked the ball over and over with a robot leg and measured its flight, interviewed hundreds of professional players, a third of which were non-Adidas sponsored, and even snuck the Brazuca in as the matchball for the U20 World Cup.

“While we can’t comment on independent research, we can say that Brazuca is our most tested ball ever,” said Adidas spokeswoman Lauren Lamkin. “We conducted two-and-a-half years of testing in 10 countries across three continents involving more than 600 players and 26 teams to ensure that Brazuca exceeds all performance standards.”

However, she said, “It is correct that the seam geometry aids in flight stabilization.”

Hopefully, all this science leads to surer shots and more exciting gameplay in Brazil come this June. If not, at least it will be harder to blame the ball for it.

Klinsmann wants top-four finish at Copa America, but can the USMNT do it?

KANSAS CITY, KS - MAY 28: The USA soccer team poses for a group photo before taking on Bolivia in the international friendly match between Bolivia and United States on May 28, 2016 at Children's Mercy Park in Kansas City, Kansas.  (Photo by Kyle Rivas/Getty Images)
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With the United States kicking off the Copa America this Friday, Jurgen Klinsmann has made his goal clear:

Reach the final four.

After a disappointing showing last summer in the Gold Cup and a poor finish to 2015, the USMNT heads into the Copa winners of six of their last seven matches and ready to make a run. But can they really reach the semifinal?

[ FOLLOW: All of PST’s USMNT coverage ]

The U.S. faces their toughest test in the opening match against Colombia. One of the most dangerous teams in the tournament, few are expecting the U.S. to get a result against Los Cafeteros. Just a draw would be a great result for Klinsmann’s men, but it will be a big ask against the fourth-ranked team in the world.

The second match against Costa Rica is key. The two CONCACAF foes have plenty of experience playing against each other, and it is a relatively even matchup. The last time these sides met in October, the U.S. put in one of their worst performances ever under Klinsmann, and he must avoid a similar result at the Copa. If the United States wants to secure their position as one of CONCACAF’s top two sides along with Mexico, they cannot afford to drop points against Costa Rica.

Paraguay will be the USMNT’s final opponent, a very intriguing matchup for Klinsmann. Paraguay’s recent form doesn’t look threatening on paper, as Ramon Diaz’s side has not won since November, taking just two wins from their last 12 matches overall. However, they reached the quarterfinals in last summer’s Copa, earning a draw against Argentina and knocking out Brazil in penalty kicks.

[ MORE: Klinsmann excited about USMNT’s promising youngsters ]

The two sides that advance from Group A will face off against Group B in the quarters. Brazil are the heavy favorites in that group, paired with Ecuador, Peru, and Haiti. The U.S. beat Ecuador last week, defeated Peru in a September friendly, and are strides above Haiti, arguably the weakest team in the field. With Brazil likely to win Group B, a second-place finish in Group A would give the U.S. a brutal matchup in the quarters. Brazil embarrassed Klinsmann’s side in Massachusetts last fall, walking over the U.S. en route to an easy 4-1 win.

[ MORE: Mexico’s Pulido fought off kidnappers to call police for help ]

With the prospect of potentially facing Brazil in the quarters, the U.S. needs to put all their focus on winning Group A if Klinsmann really wants to reach the semifinals. The only match that the U.S. is not expected to take points from is the opener against Colombia, meaning a surprise result, however unlikely it may be, could kickstart a nice little run for the Stars and Stripes.

Firm issues plan urging companies to let employees watch EURO 2016

SUNDERLAND, ENGLAND - MAY 27:  Wayne Rooney of England celebrates with team mates after scoring his team's second goal of the game during the International Friendly match between England and Australia at Stadium of Light on May 27, 2016 in Sunderland, England.  (Photo by Alex Livesey/Getty Images)
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Worried about trying to balance work with EURO 2016 this summer? Acas is here to help.

Acas, a British conciliation firm that helps companies maintain good working relationships with their employees, has called for bosses to allow their staff to watch EURO matches.

[ MORE: Bellerin to make Spain squad ]

Some matches, including England’s Group B showdown with Wales, kick off during the workday at 3 p.m. London time.

Sir Brendan Barber, who is the chairman of Acas, believes workers should be given some time off during games, or work later hours on other days to allow time to watch the EURO.

The EURO 2016 tournament is an exciting event for football fans but staff should avoid getting a red card for unreasonable demands or behaviour in the workplace during this period.

Employers should have a set of agreements before kick-off to help ensure their businesses remain productive while keeping staff happy too.

Our guidance can help managers get the best from their teams, arrange substitutions if necessary and avoid unnecessary penalties or unplanned sendings off.

With the tournament getting underway on June 10, I suggest printing out Acas’ statement and seeing if your boss will follow the sage advice of Sir Brendan Barber.

VIDEO: Payet scores sensational free kick winner for France

AMSTERDAM, NETHERLANDS - MARCH 25:  Dimitri Payet of France in action during the International Friendly match between Netherlands and France at Amsterdam Arena on March 25, 2016 in Amsterdam, Netherlands.  (Photo by Dean Mouhtaropoulos/Getty Images)
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Don’t let Dimitri Payet get a free kick, because he’s probably going to score.

After scoring four of his 12 goals for West Ham from dead-ball situations this season, his touch has carried over to the French national team.

[ FOLLOW: All of PST’s EURO coverage ]

With France playing Cameroon and the match tied 2-2 in the 90th minute, Payet stepped up from about 30 yards out and did this:

While there may be some suspect goalkeeping on this one, it’s a stellar strike that found the top corner perfectly from a tough angle for a right-footed shot.

[ MORE: Saints set to give Long new contract as Liverpool, Spurs show interest ]

Payet has three goals for the French national team, with two of them coming from free kicks. After being named to the PFA Team of the Year this season, Payet will be a key member of the France squad that has high hopes as the host nation for the upcoming EURO.

El Tri striker Pulido fought kidnappers, used cell phone to call police

HYERES, FRANCE - JUNE 01:  Alan Pulido (no.19) of Mexico celebrates his goal during the Toulon Tournament Final between  Mexico and Turkey at Stade Perruc on June 1, 2012 in Hyeres, France.  (Photo by Matthew Lewis/Getty Images)
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More details have been released regarding Alan Pulido’s kidnapping in Mexico.

The Mexican international and Olympiakos striker was taken at gunpoint early Sunday morning in Tamaulipas. He was then freed on Monday after a police “rescue operation.”

Seen leaving the police station with a bandaged hand, officials have now given information on how Pulido was injured.

[ MORE: PSG defender Aurier arrested ]

The 25-year-old striker cut his hand while punching through a glass pane in an attempt to escape. Officials also said Pulido fought his kidnapper, doing enough to grab a cell phone and notify police of his whereabouts.

From BBC News:

State prosecutor Ismael Quintanilla said the masked gang had taken Pulido to a house in Ciudad Victoria where he eventually found himself alone with one of his abductors.

“They traded blows. He takes it [the phone] and calls [emergency number] 066. It all happened very quickly,” Mr Quintanilla told Imagen radio.

An official report of the calls Pulido made to the emergency operator, obtained by the Associated Press, revealed that he threatened and beat the kidnapper while on the phone, demanding to be told where they were.

In one of the calls, Pulido said police were outside and starting to shoot so he described what he was wearing to avoid being mistaken for a kidnapper.

A wild situation, but the most important thing is that Pulido is safe while one arrest has been made.