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6 godz. temu · The bicycle is the most efficient human-powered means of transportation in terms of energy a person must expend to travel a given distance. From a mechanical viewpoint, up to 99% of the energy delivered by the rider into the pedals is transmitted to the wheels, although the use of gearing mechanisms may reduce this by 10–15%.
1 dzień temu · The tiger (Panthera tigris) is a member of the genus Panthera and the largest living cat species native to Asia.It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes. It is traditionally classified into nine recent subspecies, though some recognise only two subspecies, mainland Asian tigers and the island tigers of the Sunda ...
6 godz. temu · Interstate 205 (I-205) is an auxiliary Interstate Highway in the Portland metropolitan area of Oregon and Washington, United States.The north–south freeway serves as a bypass route of I-5 along the east side of Portland, Oregon, and Vancouver, Washington.It intersects several major highways and serves Portland International Airport.. The freeway is 37 miles (60 km) long and connects to I-5 ...
1 dzień temu · The Wankel engine (/ˈvaŋkəl̩/, VUN-kell) is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion. The concept was proven by German engineer Felix Wankel, followed by a commercially feasible engine designed by German engineer Hanns-Dieter Paschke. The Wankel engine's rotor, which creates the turning motion, is similar in shape to a ...
6 godz. temu · Lexington is a consolidated city coterminous with, and the county seat of, Fayette County, Kentucky, United States.As of the 2020 census the city's population was 322,570, making it the second-most populous city in Kentucky (after Louisville), and the 60th-most populous city in the United States.By land area, it is the country's 30th-largest city. ...
6 godz. temu · Tyler is a city in and the county seat of Smith County, Texas, United States. As of 2020, the population is 105,995. Tyler was the 38th most populous city in Texas (as well as the most populous in Northeast Texas) and 289th in the United States.It is the principal city of the Tyler metropolitan statistical area, which is the 198th most populous metropolitan area in the U.S. and 16th in Texas ...
6 godz. temu · The University of Michigan (U-M, UMich, or simply Michigan) is a public research university in Ann Arbor, Michigan.Founded in 1817, it is the oldest institution of higher education in the state. The University of Michigan is one of the earliest American research universities and is a founding member of the Association of American Universities.In the fall of 2023, the university enrolled over ...
