EVER SEEN A RIVER OVER A RIVER?

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If you are not a Physics person, read on and learn a fact of physics.   
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Even after you see it, it is still hard to believe!
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Magdeburg Water Bridge in Germany  What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb1 n2 {6 m) }6 ]9 N& F
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 公仔箱論壇1 P* H- V( c5 }+ `8 \
It is located in the city of Magdeburg, near Berlin." r$ O0 z+ \. Y; h8 v' g
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The photo was taken on the day of inauguration.
( H/ k, E  k: t3 ]% c4 ^公仔箱論壇To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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1 F3 {. y0 D4 [Question:公仔箱論壇7 h: G% e% p( S$ O0 E- F

: V2 e8 ^& u  l公仔箱論壇Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' F  {. r( P3 F& S9 T0 `
Or just the weight of the water?
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Answer:www.tvboxnow.com  _4 J* Z1 G8 x  c. I: }) s

  r3 U5 x6 k) N9 K& V' i3 ~It only needs to be designed to withstand the weight of  the water! TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。1 _! i, o: V% e
Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loaded
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The Incredible Magdeburg Water Bridge in Germany$ t1 U9 Z6 g! a$ j% P
The Magdeburg Water Bridge is a navigable aqueduct in Germany that connects the Elbe-Havel Canal to the Mittelland Canal and allows ships to cross over the Elbe River. At 918 meters, it is the longest navigable aqueduct in the world.
6 Q9 w$ Q( l9 WThe Elbe-Havel and Mittelland canals had previously met near Magdeburg but on opposite sides of the Elbe Ships moving between the two had to make a 12-kilometer detour, descending from the Mittelland Canal through the Rothensee boat lift into the Elbe, then sailing downstream on the river, before entering the Elbe-Havel Canal through Niegripp lock. Low water levels in the Elbe often prevented fully laden canal barges from making this crossing, requiring time-consuming off-loading of cargo.
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; x2 f& Y; B1 iwww.tvboxnow.comConstruction of the water link was started as early as in the 1930s but due to the World War 2 and subsequent division of Germany the work remained suspended till 1997. The aqueduct was finally completed and opened to the public in 2003.
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