A Wheatstone bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit‚ one leg of which includes the unknown component. Its operation is similar to the original potentiometer. It was invented by Samuel Hunter Christie in 1833 and improved and popularized by Sir Charles Wheatstone in 1843. One of the Wheatstone bridge’s initial uses was for the purpose of soils analysis and comparison.[1] -------------------------------------------------
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The Bridge of the Americas The Bridge of the Americas (Spanish: Puente de las Américas; originally known as the Thatcher Ferry Bridge) is a road bridge in Panama‚ which spans the Pacific entrance to the Panama Canal. Completed in 1962‚ at a cost of US$20 million‚ it was the only non-swinging bridge (there are two other bridges‚ one at the Miraflores locks and one at the Gatun locks) connecting the north and south American land masses until the opening of the Centennial Bridge in 2004. The bridge
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Zhaozhou Bridge The well-known Zhaozhou Bridge‚ also known as Anji Bridge and the Great Stone Bridge‚ was designed and built by a craftsman named Li Chun in the years 595-605 during the Sui Dynasty(A.D 581-618). The bridge is located in the southern part of Hebei Province in China and spans above the Xiao River. It is the world’s oldest and the most well-preserved open-spandrel stone segmental arch bridge. The Zhaozhou Bridge is not only a practical means of transportation but also illustrates
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PAPER BRIDGE COMPETITION (GROUP PROJECT) OBJECTIVES: To construct a free span paper bridge that is capable of supporting a number of weights. The best score is achieved by total weight supported. SPESIFICATIONS: The bridge must be constructed from only paper and tape. Standard 4 pieces A4 paper size up to 80 GSM only can be used. The bridge span must be the A4 paper width. Glue can be used to join the members; for example‚ along the seam of a tubular member or at a point where two or
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The trestle bridge is built with lateral and angled bracing‚ and horizontal and vertical reinforcements; to ensure the bridge can bear maximum weight. The base of the bridge is simply constructed with lateral bracing which is connected by horizontal panels that are connected to a horizontal‚ upright‚ panel on either side. Although‚ engineers rarely place lateral bracing on the base‚ it provides for extra stability. Moreover‚ the base also has upright and angled Popsicle sticks connected to the lateral
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I started going to the Bridge‚ on August for summer classes. My first day at the Bridge International school was wonderful. When I arrived at the Bridge International School‚ I did not know what to expect‚ but my first day was amazing. I saw some old friends that I was schooling in the same school with‚ before the Bridge. I made new friends who were kind‚ funny and interesting. I did not know people at the Bridge International School would be that nice. I found some subjects hard‚ because I
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The Anzac Bridge was first opened in 1995 was designed by Ken Wheeler from the RTA and took 6 years to build by the company Baulderstone Hornibrook. It is cable stayed bridge with a semi fan arrangement of the cables. It was built to replace the Glebe Island Bridge due to the bridge being unable to cope with large amounts of traffic. The Anzac Bridge was designed as a motorway to ease congestion and allow my traffic to flow through the bridge as well as including pedestrian paths and a bicycle path
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Paper 8- Abraham Lincoln and the Suspension of Habeas Corpus Founding father Benjamin Franklin famously said "Those who would give up Essential Liberty‚ to purchase a little temporary Safety‚ deserve neither Liberty nor Safety and will lose both." Civil Liberties are rights and freedoms that protect an individual from the state. Civil liberties set limits on the government so that its agents cannot abuse their power and interfere unduly with the lives of private citizens. In America‚ the founding
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Renaming of the bridge In an effort to honor indigenous Bahamian heroes‚ the government of the Commonwealth of The Bahamas made a decision to rename the bridge after Sir Sidney Poitier at its cabinet meeting held on October 9th‚ 2012. An official statement was made by Charles Carter and Nicolette Bethel both co-chairs of the independence committee‚ on October 10th‚ 2012‚ coming out of the official statement the public began to express their opinion for or against on the renaming of the bridge. Confusion
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Tacoma Narrows Bridge A lot of things can go wrong when building or designing a major building‚ plane‚ bridge‚ or even a road. Engineers face the challenges to overcome these flaws or problems everyday when they are trying to design structures. The primary causes of engineering disasters are usually: Human factors‚ design flaws‚ material failures‚ extreme conditions or environments‚ and combinations of these reasons put together. There are many things an engineer has to look for when designing
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