Savoir Etre une femme Index du Forum
Savoir Etre une femme
Le Forum pour les femmes
Savoir Etre une femme Index du ForumFAQRechercherS’enregistrerConnexion

:: Robots for the practice of table tennis ::

Poster un nouveau sujet   Répondre au sujet    Savoir Etre une femme Index du Forum -> A savoir! -> Présentation
Sujet précédent :: Sujet suivant  
Auteur Message
Méga E-F
Méga E-F

Hors ligne

Inscrit le: 09 Juil 2018
Messages: 172
Point(s): 172
Moyenne de points: 1,00

MessagePosté le: 14/09/2018 06:39:33    Sujet du message: Robots for the practice of table tennis Répondre en citant

Table tennis was introduced to the USA when Parker Brothers bought the trademark of English manufacturer J. Jaques & Son Ltd after 1901. The name "Ping Pong" was used to describe the English game of table tennis when he played with high-end Cheap Boston Celtics Jerseys , Jaques-branded equipment.

Today, however, the sport is officially recognized as table tennis, but only those who play at leisure use the term "ping pong". The sport of table tennis is governed by the Federation of Table Tennis (ITTF).

Table tennis balls and

table tennis is played on a board that measures 9 'long x 5' wide x 30 'arrivals. A network of 6 inches in height divides the table into two halves and extends over each edge of the table by 6 inches. Two or four players use pallets to hit a ball back and forth to each other, also known as the "rally".

The bullets used for official tournaments measure 40mm in diameter, are celluloid and weighs 2.7 grams. 38mm bullets were once the norm, but that changed after the 2000 Olympics. 40mm bullets are slower and less spin. It was suggested that the move to the larger ball was due Walter Brown Celtics Jersey , in part, to be able to market the matches of table tennis for television. 40mm balls appear on the screen better, and slower balls encourage further rally, which keeps the audience interested in the game

The highest quality balls table tennis have a three-star, which represents the consistency with their rebound and roundness. A quality 40mm ball, falling from a height of 30 cm (about 12 '), bounce 23cm high.

table tennis paddles

The sport of table tennis uses pallet hit the ball. In Europe Terry Rozier Celtics Jersey , they are known as the bats, and the ITTF refers to them as snowshoes. Although there are no formal rules governing a paddle the size, shape or weight, it must be flat and rigid, and covered in a rubber approved. The thickness of rubber and adhesive should not exceed 2 mm, and the racket must be colored black on one side and red on the other.

The rubber surface May be "pimpled" (face buttons) or "sandwich" (buttons facing inward), but the buttons "May density may be less than 10 per square centimeter or more than 30 per square centimeter.

Most of the racket (85%) must be made of natural wood. However Shaquille O'Neal Celtics Jersey , the range can be enhanced by a layer of carbon fiber, fiberglass or paper tablet as layer is between the blade and rubber surface. Some new paddles May even be reinforced with aluminum or titanium.

With different coatings on a paddle, types and speed towers can be changed during a party. Often, a player uses a paddle in order to produce a large rotation on the ball on one side and the other will create little or no impact.

Typically, the forehand side of a paddle is the attacker, and rubber used here creates a lot of spin. It is common to find sandwich rubber on the attacking side because the inward face buttons, along with good hitting surface Robert Williams Celtics Jersey , allowing the ball to sink further into the racket, thus creating greater surface contact and more spin.

The reverse side of the racket is defensive, and rubber used here must cancel the ball spill from an opponent to success. Pimpled Rubber, with more outward-facing pips, "is commonly used to reverse, hitting defence or chops.

table tennis is a game quickly. Skilled players with good equipment can serve a ball 70 mph. Table tennis is now officially part of the Summer Olympics in 1988, and since then Robert Parish Celtics Jersey , the game has seen few technological advances, especially for training purposes.

Robots for the practice of table tennis

Table tennis robots are available for the player seriously. In general, ranging from $ 600 - $ 5000 in prizes, a robot can pull balls on the net with varying degrees of rotation and at different frequencies. Some robots table tennis attach directly to the table, while others are independent. Balls can be delivered in a "line drive" or a "loop topspin." The robot can pull balls table tennis at various intervals, and even swing during practice sessions.

Although the table tennis robot can easily improve his game, it can not substitute for live play against an opponent. For this reason Reggie Lewis Celtics Jersey , it is important to look at local clubs table tennis. Most universities homes or clubs have their own teams.

NEW DELHI, Sept. 24 (Xinhua) -- India Wednesday scripted history by becoming the world's first country to reach Mars in its maiden attempt.

"India has reached Mars," Prime Minister Narendra Modi announced from the headquarters of the state-owned space agency in the southern city of Bengaluru, telecast live on local TV channels.

On a lighter note, he said, "Mars has got its MoM. (Mars orbiter Mission). Moms never disappoint."

By placing the indigenous mission, nicknamed Mangalyaan Red Auerbach Celtics Jersey , in the Mars orbit, India joined the U.S., the European Space Agency and Russia in the elite club of Martian explorers.

Applauding Indian space scientists, the prime minister said, " History has been created today. India is the first country to achieve this on the first attempt. We have achieved the near impossible."

He said, "The odds were stacked against us. Of the 51 missions attempted across the world so far, a mere 21 had succeeded. But we have prevailed."

Emphasising that the mission was a completely Made in India effort Paul Pierce Celtics Jersey , Modi said, "We built it indigenously, in a pan-Indian effort."

In fact, Mangalyaan achieved the feat around 8 a.m. (local time) . Two hours later, it transmitted the first pictures from the Red Planet.

The U.S. space agency was quick to congratulate its Indian counterpart.

"We congratulate @ISRO for its Mars arrival! @MarsOrbiter joins the missions studying the Red Planet," NASA tweeted.

"It is a landmark achievement. We have made it to Mars. What else can a developing country can achieve at such a low cost. It is one of the cheape. Cheap Jerseys Cheap Shirts Cheap Baseball Jerseys Cheap College Hoodies Cheap Authentic Jerseys Cheap NHL Jerseys Cheap Jerseys China Wholesale Cheap Soccer Jerseys From China Wholesale College Jerseys Wholesale Hockey Jerseys

Revenir en haut

MessagePosté le: 14/09/2018 06:39:33    Sujet du message: Publicité

PublicitéSupprimer les publicités ?
Revenir en haut
Montrer les messages depuis:   
Poster un nouveau sujet   Répondre au sujet    Savoir Etre une femme Index du Forum -> A savoir! -> Présentation Toutes les heures sont au format GMT + 1 Heure
Page 1 sur 1

Sauter vers:  

Index | Panneau d’administration | Créer un forum | Forum gratuit d’entraide | Annuaire des forums gratuits | Signaler une violation | Conditions générales d'utilisation
Flowers of Evil © theme by larme d'ange 2006
Powered by phpBB © 2001, 2005 phpBB Group
Traduction par :