) d9 S9 q( J3 y& W! I& wTVBNOW 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。If you are not a Physics person, read on and learn a fact of physics. 5 b# _9 k8 r- {9 W# w/ q/ UAMAZING! 公仔箱論壇- I* ^" m: D2 Q: ^ 1 L0 ~5 Z5 ?& P0 `. h" IEven after you see it, it is still hard to believe!5.39.217.77:8898, D* X4 `; q& H. W) A' S [attach]1486499[/attach]tvb now,tvbnow,bttvb4 w Q0 i3 [7 Q) J
, @/ @/ B J+ wMagdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb, {/ C9 q* r9 x3 Q6 m/ s
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. , B- r( y; w$ P* p8 C+ F' l9 fIt is located in the city of Magdeburg, near Berlin. / y8 Q& w) ]8 v7 b; h5.39.217.77:8898tvb now,tvbnow,bttvb& }3 ~0 a, C y+ e
The photo was taken on the day of inauguration. ) ~3 J" {& t @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。To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.# H0 [$ a1 Y) z, W$ A! W! |1 @
9 G6 ]; t# Y" v* J+ |$ \tvb now,tvbnow,bttvbQuestion: ' b$ Y: v6 x8 p! Y( D1 z公仔箱論壇 ' F0 Y4 }4 M; _* u9 WTVBNOW 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。Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, ; M: Q# A0 A! ?# Wtvb now,tvbnow,bttvbOr just the weight of the water? " F* Q+ k! [, o' R6 ttvb now,tvbnow,bttvb & H1 d. `% m6 N) I U$ x: ltvb now,tvbnow,bttvbAnswer: . d: Q$ D/ W. R7 n7 j, ?公仔箱論壇8 Q9 c* R% }! p' ~
It only needs to be designed to withstand the weight of the water! ! G4 S! L( l( x& W
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% y7 d& f7 M9 O0 y1 B8 C* T, }+ N5 t# s5 X 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# e% C1 `; n- w8 t
公仔箱論壇; a1 K5 ]! `' E' d$ K( J( l The Incredible Magdeburg Water Bridge in Germany - h- Y/ H. }" K+ e, Etvb now,tvbnow,bttvbThe 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. ' j7 }, r' w7 f1 D% T- n- @$ zThe 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. 5 L0 u, D* n, F6 V I& z : q8 S% a$ \- S, r$ p; }tvb now,tvbnow,bttvbConstruction 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. 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。' P+ n# ?5 R2 w- g6 t
7 K- I" m- C2 r _$ {# k5 y7 t: {. }% [! E' |- P+ c [attach]1486500[/attach]tvb now,tvbnow,bttvb+ N6 j6 Q: W; D M! W [attach]1486501[/attach] + s8 B k2 J9 q( Z) R% t: U# J[attach]1486502[/attach]3 m4 W; s& O: R1 J. j6 u) e [attach]1486503[/attach]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。+ r+ }9 k! \6 u; ] [attach]1486504[/attach]tvb now,tvbnow,bttvb9 S; T) l* {& h( t$ V [attach]1486505[/attach] 3 ?/ [5 q: j( H6 ]7 G; ]! @5.39.217.77:8898 3 i8 w# i3 G7 r5.39.217.77:8898作者: busyfun 時間: 2011-10-4 11:33 AM
tvb now,tvbnow,bttvb8 N+ y) K# M2 e2 E6 R; q1 f' @