2018 Russia World Cup These black technology you have seen?

Along with the German chariot's early anchor, five-star Brazilian Kazan's accidental fall, this year's World Cup in Russia has become a "European Cup", the top four teams all from Europe. In addition to the constant cold and regret, this World Cup has brought fans too many surprises and accidents, and the ubiquitous black technology naturally also plays an extremely important role.

VAR video-assisted referee - not everything

June 16, 2018 is known as a revolutionary day in the history of the World Cup, which is the first time in the history of the World Cup to use VAR and change the penalty results.

VAR is known as Video Assistant Referee, which translates to Video Assistant Referee System. The essence is to use video replay technology to help the referee make the correct penalty decision, which also means that VAR itself will not make any decision, the final penalty still depends on the referee on duty.

It is understood that the VAR team consists of four people, in addition to the team leader VAR video assistant referee, there are three people to assist, they have their own duties, to maximize the fairness and impartiality of the game, the current World Cup in Russia **** there are 13 VAR referees.

But VAR is not everything, its use in the process also has many precautions. According to FIFA regulations, the use of VAR principle is "minimum interference, maximum benefit", that is, "minimum interruption of the game, maximum gain". VAR can only intervene in four situations: when the ball is in the goal, when a red card is given, when a red or yellow card is given to the wrong person, and when a penalty kick is given. In any other case, VAR cannot intervene even if the referee makes a wrong call and misjudgment. Previously, the Swiss and Serbian match, referee Bridges although wrongly judged but still have the right to refuse to see the VAR replay, although FIFA has been publicly penalized and forced to repatriate, but the result of the game will not be changed as a result.

Telstar 18 - butter hands blame me

Since 1970, the ball for all World Cups has been provided by Adidas, and the official ball for the 2018 World Cup in Russia has been named Telstar 18 (official Chinese name: TV Star), which has been hailed as the "the roundest soccer ball ever".

Muslera's butter hand

Telstar18 surface consists of six pieces of leather, using the ball skin thermal bonding technology, with durable, waterproof, anti-gravel and other characteristics, and its right-angled splicing grooves will make the ball in the process of the flight of the non-linear movement, for the sharp-footed players, it is more capable of kicking out the arc of the desired, and for the goalkeeper, the running route of the Uncertainty is undoubtedly a nightmare. In the quarter-finals of this World Cup, France against Uruguay, Griezmann's long-distance shot in the second half, Muslera's butter hand to a certain extent also related to this World Cup ball.

According to the research team's study, although the increase in the smoothness of the skin enhances the speed of the ball, the downward trajectory increases significantly under the running distance of the ball is actually shorter; and in the long-distance shooting, the flight distance of "Telstar18" is 9-10% shorter than that of the previous "Samba Glory", which was used in the World Cup. "In the case of long-distance passes, the Telstar 18 flies about 9-10 percent shorter than the previous Samba Pride.

In addition to the manufacturing process, the Telstar 18 also includes for the first time an NFC (Near Field Communication) chip, which is an abbreviation for Near Field Communication, enabling simple interactions with the smartphone, including access to Telstar 18 product information and special mini-game challenges. Many current smartphones also support NFC technology, especially for mobile payments.

Goal line technology - ball in? Ball not in?

Goal-line technology (Goal-line technology) is an assistive technology developed in recent years for soccer, which mainly operates on the principle of the Hawk-Eye system or Magnetic Field Sensor System, which can determine whether the ball has crossed the goal line, and thus whether the goal is valid. In the current World Cup, France against Australia, Pogba shot at the opponent's crossbar, the ball smashed on the ground and then was confiscated by the goalkeeper, the ball in the end in or not, I'm afraid that even the goalkeeper is not necessarily clear. This time the use of goal line technology can be clearly seen, the ball crossed the goal line and bounced out, the goal is valid, France 2:1 force over Australia.

Smart watch - exclusive to infield referees

The $5200 smartwatch, exclusive to infield referees, was launched by Hublot and is based on the Wear OS operating system, and boasts a host of World Cup-related features, such as 15-minute reminders before the start of each match, score and goal scores during the match, and a number of other features. The smartwatch is based on the Wear OS operating system and has a number of features related to the World Cup, such as a reminder 15 minutes before the start of each match, the score, the names of the players who have scored during the match, a display of the substitutes, and a reminder before the end of the match.

In addition to this, the smartwatch can be linked to the goal line technology mentioned above, so that once a goal is scored, the referee receives a reminder from the watch within 1 second.

Man-wall positioning spray -- civilized football, do not cross the line

This is the first time in the 14 years of the World Cup in Brazil appeared in the talisman, has never appeared in the world tournament, this time also used in the World Cup in Russia. Its role is in the free kick penalty process, you can use the spray in the wall need to retreat position to spray a white line as a boundary, in order to prevent the wall to move forward violation, to further ensure that the regularity of the penalty kick. The defense moves the wall forward or the offense moves the ball and other small actions, because the wall positioning spray from the existence of the elimination.

More importantly, the line disappears after a few moments of marking and does not pollute the grass or the air. In addition, the small size of this spray makes it easy for the umpire to hang it around his waist without interfering with the umpire's running and enforcement on the field.

EPTS Electronic Performance and Tracking System - Tablet in Hand

The main function of this technology is to record various data of the players during the game, such as instant positional information, speed of movement, passes, shovels, and shots on goal, which will be delivered to the team's This helps coaches and medical teams to fully grasp the technical information and physical condition of players, so as to more accurately formulate game strategies or seek medical assistance.

The 2018 Russia World Cup semifinals will be officially played on the 11th, when you can keep an eye out for the various types of black technology mentioned above. Smart TV users can download Youku TV and Dangbei Movie Express through Dangbei Market to watch the World Cup semifinals live and enjoy the epic moments of the 2018 Russia World Cup!