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Munir Junker

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Aug 4, 2024, 8:52:55 PM8/4/24
to gelamarherr
Aball is a round object (usually spherical, but can sometimes be ovoid)[1] with several uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players. Balls can also be used for simpler activities, such as catch or juggling. Balls made from hard-wearing materials are used in engineering applications to provide very low friction bearings, known as ball bearings. Black-powder weapons use stone and metal balls as projectiles.

Although many types of balls are today made from rubber, this form was unknown outside the Americas until after the voyages of Columbus. The Spanish were the first Europeans to see the bouncing rubber balls (although solid and not inflated) which were employed most notably in the Mesoamerican ballgame. Balls used in various sports in other parts of the world prior to Columbus were made from other materials such as animal bladders or skins, stuffed with various materials.


Some form of game with a ball is found portrayed on Egyptian monuments.[4] In Homer, Nausicaa was playing at ball with her maidens when Odysseus first saw her in the land of the Phaeacians (Od. vi. 100). And Halios and Laodamas performed before Alcinous and Odysseus with ball play, accompanied with dancing (Od. viii. 370).[5] The most ancient balls in Eurasia have been discovered in Karasahr, China and are 3000 years old. They were made of hair-filled leather.[6]


Among the Romans, ball games were looked upon as an adjunct to the bath, and were graduated to the age and health of the bathers, and usually a place (sphaeristerium) was set apart for them in the baths (thermae). There appear to have been three types or sizes of ball, the pila, or small ball, used in catching games, the paganica, a heavy ball stuffed with feathers, and the follis, a leather ball filled with air, the largest of the three. This was struck from player to player, who wore a kind of gauntlet on the arm. There was a game known as trigon, played by three players standing in the form of a triangle, and played with the follis, and also one known as harpastum, which seems to imply a "scrimmage" among several players for the ball. These games are known to us through the Romans, though the names are Greek.[5]


In sports, many modern balls are pressurized. Some are pressurized at the factory (e.g. tennis, squash (sport)) and others are pressurized by users (e.g. volleyball, basketball, football). Almost all pressurized balls gradually leak air. If the ball is factory pressurized, there is usually a rule about whether the ball retains sufficient pressure to remain playable.[9][10] Depressurized balls lack bounce and are often termed "dead". In extreme cases a dead ball becomes flaccid. If the ball is pressured on use, there are generally rules about how the ball is pressurized before the match, and when (or whether) the ball can be repressurized or replaced.


Due to the ideal gas law, ball pressure is a function of temperature, generally tracking ambient conditions. Softer balls that are struck hard (especially squash balls) increase in temperature due to inelastic collision.


In outdoor sports, wet balls play differently than dry balls. In indoor sports, balls may become damp due to hand sweat. Any form of humidity or dampness will affect a ball's surface friction, which will alter a player's ability to impart spin on the ball. The action required to apply spin to a ball is governed by the physics of angular momentum. Spinning balls travelling through air (technically a fluid) will experience the Magnus effect, which can produce lateral deflections in addition to the normal up-down curvature induced by a combination of wind resistance and gravity.


A school name is stenciled on the soccer ball, and his wife was able to translate the writing to trace it to a school. We have confirmed that the school was in the tsunami zone, but because the school is set up on a hill, it wasn't seriously impacted. This may be one of the first opportunities since the March 2011 tsunami that a remnant washed away from Japan has been identified and could actually be returned to its previous owner. When something gets washed up on a beach, unless it has a unique and traceable identifier, like the registration numbers on a boat, it can be difficult to tell if the item was set adrift by the tsunami, or if it was lost or discarded at sea some other time.


Marine debris is an everyday problem along the Pacific Coast, and buoyant items like bottles and plastics wash up on our coasts from Asia (and other places) all of the time. However, some of the most touching items found so far have been these sports balls from Japan. The story of where the soccer ball was found is also interesting. Middleton Island, Alaska, is by all definitions a very remote place. The 4.5 mile long island in the Gulf of Alaska is about 70 miles from the Alaska mainland, and 50 miles from the nearest island. A few people work on the treeless and windswept island, where they maintain the Federal Aviation Administration (FAA) Radar, Navigation, and Communication facilities there. Bird watching and beach combing are popular recreation activities there. It was David Baxter, a technician at the radar station, who ultimately found the sports balls washed up on the beach.


**UPDATE (4/24/2012): The soccer ball's owner, 16 year-old Misaki Murakami, has been located and confirmed that this is indeed his ball. He lost everything in the 2011 Japan tsunami and is grateful that this object of sentimental value has been found. He received it in 2005 as a gift from his classmates in third grade before moving to a new elementary school, and one of the messages on the ball reads "Good luck, Murakami!!" (or rather "Hang in there, Murakami!!"). David Baxter and his wife Yumi plan to send him the soccer ball. The volleyball found on the same Alaskan island a few weeks later has been traced to a 19 year-old woman, Shiori Sato, whose home was washed away in the Japan tsunami.


There are a LOT of soccer balls out there. But the Dribbleup Smart Soccer Ball stands out as an excellent training tool for kids who are looking to improve their soccer skills. The soccer ball is made with high-quality, durable materials, making it suitable for use on the field in games or during practice.


Paired with the Dribbleup mobile app, the Smart Soccer Ball provides real-time feedback in live and on-demand training programs for kids to do at home. With new soccer sessions every day, your kids will never get bored!


The Smart Soccer Ball is great for coaches who are looking to help their team improve their soccer skills. The app allows kids to track their progress, including the number of reps they complete during class.


Overall, the Smart Soccer Ball is a great way for kids to have fun learning a new sport or see improvement in a sport they already love to play! So lose those other soccer balls in your garage or closet and start practicing with the Smart Soccer Ball!


The Dribbleup app is designed to help motivate kids to practice more, which in turn can help them develop better soccer skills and improve their confidence on the ball. The app provides a variety of challenging drills and sessions taught by expert coaches that are tailored to a child's skill level and are designed to improve their ball control, footwork, and other fundamental soccer skills.


Parents love Dribbleup because the app also allows kids to track their progress so they can set goals for themselves, which can help them stay motivated and engaged in their training and help them see improvement over time. This is a lot more fun than practicing with normal soccer balls!


I am a college freshman and I have been playing since my senior year of highschool so not that long. But let me say this product has got me outside so much this past summer and I have made so many friends playing spikeball here at college. I would recommend getting this not only for the product but the community is so nice!


11/10. Spikeball and Roundnet are amazing. Roundnet also has an AWESOME community. It is so much fun and if you ever get the chance to go to a tournament you should definitely go. It is an amazing experience. Thank you Spikeball for all that you do! :)


It depends on where you are. Orders processed here will take 2-3 business days to arrive. Overseas deliveries can take longer. Delivery details will be provided in your confirmation email.

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