本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 www.tvboxnow.com: j; T: v8 x2 G i& b
6 S" E+ V' c4 k1 rIf you are not a Physics person, read on and learn a fact of physics.
2 k9 S5 p8 ]8 E) VAMAZING! 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。; X1 w, P5 z% E& [
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Even after you see it, it is still hard to believe!
2 j/ z/ G- [1 B3 _6 dTVBNOW 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。
9 S) C3 N% }# `* X$ E* t- KTVBNOW 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。2 E: k- e1 ]& a5 O, Z
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
0 |0 O8 m) r8 m% ^This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 2 K) h Q! M [4 w% c
It is located in the city of Magdeburg, near Berlin.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。; t7 ^+ R H0 r1 G
- c2 _' W& ~% Z' e9 f LTVBNOW 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。The photo was taken on the day of inauguration.
% M: `4 c- z: T! PTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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Question: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。% j8 Q _* N5 ?! Z. X
& `2 \/ h8 ^1 p# N u+ |6 KDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,www.tvboxnow.com. w2 K* v1 @$ x7 Q% w9 V
Or just the weight of the water?
! I! a2 b% X) K, gTVBNOW 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。) @; ?7 ~$ t) O3 |/ k1 N, b. K
Answer:: P6 w# I. s& a& G4 ?& N
, T* ~0 U3 g* e8 N/ gtvb now,tvbnow,bttvbIt only needs to be designed to withstand the weight of the water!
9 V4 g: V1 [, @: e1 o( rTVBNOW 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。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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+ ?( O: t# `. P! t# ^; gwww.tvboxnow.comThe Incredible Magdeburg Water Bridge in Germany
8 {9 V7 w7 r( O8 R8 [5 k# FTVBNOW 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。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.
4 ?7 N [$ s9 ?公仔箱論壇The 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. 公仔箱論壇& ^, v! f1 P5 _3 Y
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Construction 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. 7 U! `8 s- h- B) r/ R" G
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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。% T, C& i# \. S# E: k
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。4 U/ E: z( M% R# T) K) Y
8 n5 q% R0 x2 U2 \tvb now,tvbnow,bttvbtvb now,tvbnow,bttvb4 p* l. I. r4 a( q
# a9 I# z: J$ ^ z/ C) _公仔箱論壇! _7 K9 P# q* S7 D) Z7 T
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