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Hal Prewitt
Harold D. Prewitt, Jr (Hal) (born October 1, 1954, in Hutchinson, Kansas) is an artist, photographer, race car driver, businessperson, inventor of personal computer products and early pioneer in the personal computer revolution. He resides in South Beach (Miami Beach, Florida). Prewitt competed in professional and occasionally amateur motorsport road races and has driven in nearly 200 endurance racing or sprint races worldwide. He was the No. 1 American and finished 4th of 819 international drivers from 58 countries in the 2015 International Endurance Series Championship. He has been a competitor in IMSA, Grand-Am Rolex Sports Car Series and at international FIA races including 24 Hours of Daytona, 24 Hours Nürburgring, Dubai 24 Hour, 24 Hours of Barcelona and Silverstone Britcar 24-Hour. In the 1970s and 1980s he was one of the early creators of personal computer products, developing popular software and hardware while helping build a new industry. He provided consulting se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Race Car Driver
Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organised, with the first recorded as early as 1867. Many of the earliest events were effectively reliability trials, aimed at proving these new machines were a practical mode of transport, but soon became an important way for automobile makers to demonstrate their machines. By the 1930s, specialist racing cars had developed. There are now numerous different categories, each with different rules and regulations. History The first prearranged match race of two self-powered road vehicles over a prescribed route occurred at 4:30 A.M. on August 30, 1867, between Ashton-under-Lyne and Old Trafford, a distance of eight miles. It was won by the carriage of Isaac Watt Boulton. Internal combustion auto racing events began soon after the constructio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endurance Racing (motorsport)
Endurance racing is a form of motorsport racing which is meant to test the durability of equipment and endurance of participants. Teams of multiple drivers attempt to cover a large distance in a single event, with participants given a break with the ability to change during the race. Endurance races can be run either to cover a set distance in laps as quickly as possible, or to cover as much distance as possible over a preset amount of time. One of the more common lengths of endurance races has been running for , or roughly six hours. Longer races can run for , 12 hours, or even 24 hours. Teams can consist of anywhere from two to four drivers per event, which is dependent on the driver's endurance abilities, length of the race, or even the rules for each event. Origins Coppa Florio was an Italian car race started in 1900, and renamed in 1905 when Vincenzo Florio offered the initial 50 000 Lira and a cup designed by Polak of Paris. The Brescia race visited the route Brescia-Cremon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBM 5100
The IBM 5100 Portable Computer is a portable computer (one of the first) introduced in September 1975, six years before the IBM Personal Computer, and eight before the first successful IBM compatible portable computer, the Compaq Portable. It was the evolution of a prototype called the SCAMP (Special Computer APL Machine Portable) that was developed at the IBM Palo Alto Scientific Center in 1973. Whether considered evolutionary from ''SCAMP'' or revolutionary, it still needed to be plugged into an electric socket. When the IBM PC was introduced in 1981, it was originally designated as the IBM 5150, putting it in the "5100" series, though its architecture was unrelated to the IBM 5100's. The 5100 was IBM's second transportable computer. Previously, a truck-based IBM 1401 configured in 1960 for military use was designated a ''portable'' computer, and nicknamed a DataMobile. The IBM 5100 was withdrawn in March 1982, by which time IBM had announced its larger cousins, the IBM 5 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Local Area Network
A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building. By contrast, a wide area network (WAN) not only covers a larger geographic distance, but also generally involves leased telecommunication circuits. Ethernet and Wi-Fi are the two most common technologies in use for local area networks. Historical network technologies include ARCNET, Token Ring and AppleTalk. History The increasing demand and usage of computers in universities and research labs in the late 1960s generated the need to provide high-speed interconnections between computer systems. A 1970 report from the Lawrence Radiation Laboratory detailing the growth of their "Octopus" network gave a good indication of the situation. A number of experimental and early commercial LAN technologies were developed in the 1970s. Cambridge Ring was developed at Cambridge University starting in 1974. Ethe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hard Disk Drives
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating hard disk platter, platters coated with magnetic material. The platters are paired with disk read-and-write head, magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. Data is accessed in a random-access manner, meaning that individual Block (data storage), blocks of data can be stored and retrieved in any order. HDDs are a type of non-volatile storage, retaining stored data when powered off. Modern HDDs are typically in the form of a small disk enclosure, rectangular box. Introduced by IBM in 1956, HDDs were the dominant secondary storage device for History of general-purpose CPUs, general-purpose computers beginning in the early 1960s. HDDs maintained this position into the modern era of server (computing), se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HighBeam Research
HighBeam Research was a paid search engine and full text online archive owned by Gale, a subsidiary of Cengage, for thousands of newspapers, magazines, academic journals, newswires, trade magazines, and encyclopedias in English. It was headquartered in Chicago, Illinois. In late 2018, the archive was shut down. History The company was established in August 2002 after Patrick Spain, who had just sold Hoover's, which he had co-founded, bought eLibrary and Encyclopedia.com from Tucows. The new company was called Alacritude, LLC (a combination of Alacrity and Attitude). ELibrary had a library of 1,200 newspaper, magazine and radio/TV transcript archives that were generally not freely available. Original investors included Prism Opportunity Fund of Chicago and 1 to 1 Ventures of Stamford, Connecticut. Spain stated, "There was a glaring gap between free search like Google and high-end offerings like LexisNexis and Factiva." Later in 2002, it bought Researchville.com. By 2003, it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Florida Trend
''Florida Trend'' is a media company delivering business news and information across print and digital platforms. Florida Trend reports on all industry sectors, including health care, education, research and technology, finance, law, transportation and real estate. The media company regularly hosts community and industry portrait events with business and community leaders, shining a spotlight on growth in regional economies across the state. David G. Denor is Florida Trend’s publisher. ''Florida Trends monthly business magazine is read by more than 260,600 influential business, civil and governmental leaders and its companion website, FloridaTrend.com garners nearly 130,000 unique visitors each month. Its daily late-breaking business eNews alerts and weekly industry targeted eNewsletters are delivered to over 119,000 engaged and loyal opt-in e-news subscribers. Each month, Florida Trend delivers more than 3.4 million eNews alerts to its digital opt-in subscriber audience ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Florida Business Journal
South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþaz'' ("south"), possibly related to the same Proto-Indo-European root that the word ''sun'' derived from. Some languages describe south in the same way, from the fact that it is the direction of the sun at noon (in the Northern Hemisphere), like Latin meridies 'noon, south' (from medius 'middle' + dies 'day', cf English meridional), while others describe south as the right-hand side of the rising sun, like Biblical Hebrew תֵּימָן teiman 'south' from יָמִין yamin 'right', Aramaic תַּימנַא taymna from יָמִין yamin 'right' and Syriac ܬܰܝܡܢܳܐ taymna from ܝܰܡܝܺܢܳܐ yamina (hence the name of Yemen, the land to the south/right of the Levant). Navigation By convention, the ''bottom or down-facing side'' of a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silverstone Britcar 24-Hour
The Silverstone 24 Hour was a sports car race in endurance racing, held annually at Silverstone Circuit in the United Kingdom until 2018. The race was originally organised by Britcar. The 2009 race was shortened to 500 miles due to the recession. In the 2010 race it was the first time they used the new Arena Circuit, previously they used the Bridge Grand Prix Circuit. The 2013 edition was shortened to 1000 km. For 2015 the race was called the Dunlop 24hr at Silverstone for sponsorship reasons. On October 2, 2015 Creventic, the promoter and organiser of the 24H Series and the Touring Car Endurance Series, announced they would organise the Silverstone 24-Hour race in 2016. It was the third round of the 2016 24H Series season and the first round of the 2016 Touring Car Endurance Series season. Every round of the 24H Series can be entered with a GT car, but this race is only open to non-GT cars. Winners Participants Many big name teams have taken part in the race such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dubai 24 Hour
The Dubai 24 Hour Race is both a sports car and touring car automobile endurance race held annually at the Dubai Autodrome. It was inaugurated in 2006. Entrants and participants As with all races in the 24H Series, promoted by Dutch promoter Creventic, they are open to both professional and semi-professional teams. There are both local competitors from the UAE and surrounding nations in the Persian Gulf as well as a host of international teams particularly from European nations. Unlike the 24 Hours of Le Mans in France whereby teams are invited by the organizers to compete, the Dubai 24 Hour is solely made up of teams who have registered prior to the commencing of the actual race. Entrants must file in a registration application in order to have a chance at competing. Entry and registration fees also apply for competitors. Class structure The race features both a variety of Grand tourer (GT), touring cars as well as specially built silhouette cars from a wide range of marques ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
24 Hours Nürburgring
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures. In mathematics Four is the smallest composite number, its proper divisors being and . Four is the sum and product of two with itself: 2 + 2 = 4 = 2 x 2, the only number b such that a + a = b = a x a, which also makes four the smallest squared prime number p^. In Knuth's up-arrow notation, , and so forth, for any number of up arrows. By consequence, four is the only square one more than a prime number, specifically three. The sum of the first four prime numbers two + three + five + seven is the only sum of four consecutive prime numbers that yields an odd prime number, seventeen, which is the fourth super-prime. Four lies between the first proper pair of twin primes, three and five, which are the first two Fermat primes, like seventeen, which is the third. On the other ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
24 Hours Of Daytona
The 24 Hours of Daytona, also known as the Rolex 24 At Daytona for sponsorship reasons, is a 24-hour sports car endurance race held annually at Daytona International Speedway in Daytona Beach, Florida. It is run on the Sports Car Course layout, a combined road course that uses most of the tri-oval plus an infield road course. Held on the last weekend of January or first weekend of February as part of Speedweeks, it is the first major automobile race of the year in North America. The race is sanctioned by IMSA and is the first race of the season for the IMSA SportsCar Championship. The race has borne the names of several sponsors over the years. Since 1992, the Rolex Watch Company has been the title sponsor of the race, replacing Sunbank, which replaced Pepsi in 1984. Winning drivers of all classes receive a Rolex Daytona watch. The race has been known historically as a leg of the informal Triple Crown of endurance racing. Beginnings Shortly after the track opened, on Ap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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