Показаны сообщения с ярлыком invention. Показать все сообщения
Показаны сообщения с ярлыком invention. Показать все сообщения
пятница, 25 марта 2022 г.
среда, 29 сентября 2021 г.
четверг, 10 июня 2021 г.
понедельник, 10 мая 2021 г.
Аркадий Красильщиков: ИЗРАИЛЬ. ЭЛЕКТРИЧЕСТВО БЕЗ ПРОВОДОВ
Аркадий Красильщиков: ИЗРАИЛЬ. ЭЛЕКТРИЧЕСТВО БЕЗ ПРОВОДОВ: Одним из главных событий на состоявшейся в этом году в Лас-Вегасе международной выставке новых технологий CES-2018 была презентация дет...
среда, 2 ноября 2016 г.
вторник, 1 ноября 2016 г.
суббота, 15 октября 2016 г.
среда, 21 сентября 2016 г.
пятница, 9 сентября 2016 г.
среда, 31 августа 2016 г.
вторник, 5 июля 2016 г.
четверг, 16 июня 2016 г.
понедельник, 6 июня 2016 г.
суббота, 30 апреля 2016 г.
The smallest and cheapest car in the world
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четверг, 28 апреля 2016 г.
The Incredible Magdeburg Water Bridge in Germany
ABSOLUTELY INCREDIBLE
If you are not a Physics person, read the last paragraph and learn a fact of physics.
Have you ever seen a river over a river? AMAZING !!!
Even after you see it, it is still hard to believe!
Water Bridge in Germany . What a feat!
Six years, 500 million Euros, 918 meters long . . . now this is engineering!
This is a channel-bridge over the River Elbe and joins the former East and West Germany ,
As part of the unification project. It is located in the city of Magdeburg,near Berlin .
The photo was taken on the day of inauguration.
To those who appreciate engineering projects, here's a puzzle for your armchair engineers
. . . and physicists.
Question:
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
Or just the weight of the water?
Answer:
the answer will appear at the end of this email, I moved it to give you time to
think about it.
Saturday, April 23, 2011
The Incredible Magdeburg Water Bridge in Germany
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.
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.
Construction of the water link was started as early as in the 1930's 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.
ANSWER:
It only needs to be designed to withstand the weight of the water!
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.
If you are not a Physics person, read the last paragraph and learn a fact of physics.
Have you ever seen a river over a river? AMAZING !!!
Even after you see it, it is still hard to believe!
Water Bridge in Germany . What a feat!
Six years, 500 million Euros, 918 meters long . . . now this is engineering!
This is a channel-bridge over the River Elbe and joins the former East and West Germany ,
As part of the unification project. It is located in the city of Magdeburg,near Berlin .
The photo was taken on the day of inauguration.
To those who appreciate engineering projects, here's a puzzle for your armchair engineers
. . . and physicists.
Question:
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
Or just the weight of the water?
Answer:
the answer will appear at the end of this email, I moved it to give you time to
think about it.
Saturday, April 23, 2011
The Incredible Magdeburg Water Bridge in Germany
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.
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.
Construction of the water link was started as early as in the 1930's 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.
ANSWER:
It only needs to be designed to withstand the weight of the water!
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.
Off loading the shuttle
If you care to, save this because it ' s the last time you ' ll see it.
This was the last flight of the Space Shuttles.
Off loading the shuttle
The return to Kennedy...
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