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Hydroflight Sports
Hydroflight sports are a category of sport in which water jet propulsion is used to create sustained flight where lift and movement are controlled by a person riding on a propulsion device. Competitions for this sport started around 2012. There are many training centres throughout the world where beginners to go to learn and practice skills so they can fly these devices by themselves. Types of hydroflight equipment There are many different types of Hydroflight products that are used for flying. The three most common types are the Jetboards, Jetpacks and Jetbikes, but there are others such as the Hoverboard and Freedom Flyer. Different varieties of jetboards are manufactured by different companies such as Jetblade, Flyboard, Defy X and Wataboard. This gives buyers a choice on which style board will suite their style of use. Jetboard The jetboard is a device that has two jets either side of the deck, on top of the deck is where the boots/bindings (generally wakeboarding boots) are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Propulsion
Propulsion is the generation of force by any combination of pushing or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) but may also concern a fluid. The term is derived from two Latin words: ''wikt:pro, pro'', meaning'' before'' or ''forward''; and ''wikt:pellere, pellere'', meaning ''to drive''. A propulsion system consists of a source of mechanical power, and a ''propulsor'' (means of converting this power into propulsive force). Plucking a guitar string to induce a vibration, vibratory translation is technically a form of propulsion of the guitar string; this is not commonly depicted in this vocabulary, even though human muscles are considered to propel the fingertips. The motion of an object moving through a gravitational field is affected by the field, and within some frames of reference physicists speak of the gravitational field generating a force upon the object, but for general relativity, deep the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hoverboard
A hoverboard (or hover board) is a levitating board used for personal transportation, first described in science-fiction, and made famous by the appearance of a skateboard-like hoverboard in the film ''Back to the Future Part II''. Many attempts have been made to invent a functioning hoverboard. In fiction Hoverboards were first described by author M. K. Joseph in a 1967 science fiction novel. In 1984, a hoverboard appeared in the shoot 'em up arcade video game ''SWAT'', developed by Coreland and distributed by Sega in Japan and Bally Midway in North America. The hoverboard was popularized by the ''Back to the Future'' film franchise, with its appearance in ''Back to the Future Part II'' (1989). During the 1990s there were rumors, fueled by the film's director Robert Zemeckis, that hoverboards were in fact real, but not marketed because they were deemed too dangerous by parents' groups. These rumors have been conclusively debunked. Hoverboards have appeared in various other med ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freedom Flyer
Freedom Flyer is a Vekoma Suspended Family Coaster at the Fun Spot America Amusement Park in Orlando, Florida. It has yellow track and blue supports. Opened in May 2013, it is long. History On December 31, 2010, Fun Spot Action Park announced that they purchased an additional adjacent to the park, with plans to triple the size of the park adding a number of new rides. In April 2011, Fun Spot Action Park surveyed park guests about what types of attractions they would like at the park. Consensus published by the park indicated they wanted water rides and roller coasters. In August 2011, the ''Orlando Sentinel'' revealed that the park had contacted at least three roller coaster manufacturers. In November 2011, it was confirmed that the park would receive two roller coasters: one wood and one steel. The coaster soft-opened in May 2013. During the 2015 International Association of Amusement Parks and Attractions (IAAPA) Trade Show in Orlando, the Freedom Flyer was used to demonstrate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Racing Harness
A five-point harness is a form of seat belt that contains five straps that are mounted to the car frame. It has been engineered for an increase of safety in the occurrence of an automobile accident. As a result, this form of seat belt has been mandated in the race car competition of NASCAR. This was an invention made mandatory to have due to the high velocities involved in the sport. Along with the design of the seat belt, helmet straps have been designed to increase the safety of the driver. This invention has also been used to secure infants and young children in child safety seats. Structure The five-point harness is preferred as a safety mechanism for its high amount of safety compared to other designs. The five-point harness consists of five straps. Two are located at the shoulders, two at the hips, and one at the crotch that all come to connect to a buckle release mechanism. This way of buckling up holds the driver's body tight in the seat, which in turn protects the upper ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorcycle
A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising, sport (including racing), and off-road riding. Motorcycling is riding a motorcycle and being involved in other related social activity such as joining a motorcycle club and attending motorcycle rallies. The 1885 Daimler Reitwagen made by Gottlieb Daimler and Wilhelm Maybach in Germany was the first internal combustion, petroleum-fueled motorcycle. In 1894, Hildebrand & Wolfmüller became the first series production motorcycle. Globally, motorcycles are comparably popular to cars as a method of transport. In 2021, approximately 58.6 million new motorcycles were sold around the world, fewer than the 66.7 million cars sold over the same period. In 2014, the three top motorcycle producers globally by volume were Honda (28%), Yamaha (17 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
YouTube
YouTube is a global online video platform, online video sharing and social media, social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by Google, and is the List of most visited websites, second most visited website, after Google Search. YouTube has more than 2.5 billion monthly users who collectively watch more than one billion hours of videos each day. , videos were being uploaded at a rate of more than 500 hours of content per minute. In October 2006, YouTube was bought by Google for $1.65 billion. Google's ownership of YouTube expanded the site's business model, expanding from generating revenue from advertisements alone, to offering paid content such as movies and exclusive content produced by YouTube. It also offers YouTube Premium, a paid subscription option for watching content without ads. YouTube also approved creators to participate in Google's Google AdSens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Concussion
A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. Symptoms may include loss of consciousness (LOC); memory loss; headaches; difficulty with thinking, concentration, or balance; nausea; blurred vision; sleep disturbances; and mood changes. Any of these symptoms may begin immediately, or appear days after the injury. Concussion should be suspected if a person indirectly or directly hits their head and experiences any of the symptoms of concussion. It is not unusual for symptoms to last 2 weeks in adults and 4 weeks in children. Fewer than 10% of sports-related concussions among children are associated with loss of consciousness. Common causes include motor vehicle collisions, falls, sports injuries, and bicycle accidents. Risk factors include drinking alcohol and a prior history of concussion. The mechanism of injury involves either a direct blow to the head or forces elsewhere on the body that a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bruising
A bruise, also known as a contusion, is a type of hematoma of tissue, the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action. Bruises which do not blanch under pressure can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone. Bruises are not to be confused with other similar-looking lesions. (Such lesions include petechia (less than , resulting from numerous and diverse etiologies such as adverse reactions from medications such as warfarin, straining, asphyxiation, platelet disorders and diseases such as ''cytomegalovirus''), purpura (, classified as palpable purpura or non-palpable purpura and indicates various pathologic conditions such as thromb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haemorrhaging
Bleeding, hemorrhage, haemorrhage or blood loss, is blood escaping from the circulatory system from damaged blood vessels. Bleeding can occur internally, or externally either through a natural opening such as the mouth, nose, ear, urethra, vagina or anus, or through a puncture in the skin. Hypovolemia is a massive decrease in blood volume, and death by excessive loss of blood is referred to as exsanguination. Typically, a healthy person can endure a loss of 10–15% of the total blood volume without serious medical difficulties (by comparison, blood donation typically takes 8–10% of the donor's blood volume). The stopping or controlling of bleeding is called hemostasis and is an important part of both first aid and surgery. Types * Upper head ** Intracranial hemorrhage – bleeding in the skull. ** Cerebral hemorrhage – a type of intracranial hemorrhage, bleeding within the brain tissue itself. ** Intracerebral hemorrhage – bleeding in the brain caused by the rupture of a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water Sports
Water (chemical formula ) is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent). It is vital for all known forms of life, despite not providing food, energy or organic micronutrients. Its chemical formula, H2O, indicates that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. The hydrogen atoms are attached to the oxygen atom at an angle of 104.45°. "Water" is also the name of the liquid state of H2O at standard temperature and pressure. A number of natural states of water exist. It forms precipitation in the form of rain and aerosols in the form of fog. Clouds consist of suspended droplets of water and ice, its solid state. When finely divided, crystalline ice may precipitate in the form of snow. The gaseous state of water is steam or water vapor. Water covers ab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorsport
Motorsport, motorsports or motor sport is a global term used to encompass the group of competitive sporting events which primarily involve the use of motorized vehicles. The terminology can also be used to describe forms of competition of two-wheeled motorised vehicles under the banner of motorcycle racing, and includes off-road racing such as motocross. Four- (or more) wheeled motorsport competition is globally governed by the Fédération Internationale de l'Automobile (FIA); and the Fédération Internationale de Motocyclisme (FIM) governs two-wheeled competition. Likewise, the Union Internationale Motonautique (UIM) governs powerboat racing while the Fédération Aéronautique Internationale (FAI) governs air sports, including aeroplane racing. All vehicles that participate in motorsports must adhere to the regulations that are set out by the respective global governing body. History In 1894, a French newspaper organised a race from Paris to Rouen and back, starting ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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