How far did the debris from the twin towers go?

The collapsing towers generated enormous clouds of debris and dust that enveloped lower Manhattan; light dust reached as far as the Empire State Building, located 2.93 mi (4.72 km) away.
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How far did the debris go on 911?

There is no exact answer on how far the particles involved in the dust cloud traveled. Dust particulates from the World Trade Center were found at the Empire State Building, three miles away. However, contamination from the plume traveled much further than that.
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Where did the remnants of the twin towers go?

To organize the cleanup and search for survivors and for human remains, the New York City Fire Department divided the disaster site into four sectors, each headed by its own chief. Cleanup workers trucked most of the building materials and debris from Ground Zero to Fresh Kills Landfill in Staten Island.
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How long did the dust last in 9 11?

In the five months following the attacks, dust from the pulverized buildings continued to fill the air of the World Trade Center site.
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How far did the World Trade Center sway?

Each of the Twin Towers had 110 floors. Each tower's footprint and floors were approximately an acre in size. On windy days, each tower could sway up to almost 12 inches side to side. There were 43,600 windows in the Twin Towers, equating to more than 600,000 square feet of glass.
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9/11: 15 years later



Can you feel Twin Towers sway?

You could feel the building shake, and it was scary, not because the building moved, but to the degree that it did. I was used to working on the higher floors of both towers, and the Twin Towers were made to sway and move ever so slightly. You could sometimes feel it just a little during periods of heavy wind.
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How many workers died building the world Trade Center?

In all, 60 workers were killed in construction accidents while the World Trade Center was being built. The topping out ceremony of the North Tower (1 World Trade Center) took place on December 23, 1970, while the South Tower (2 World Trade Center)'s ceremony occurred on July 19, 1971.
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How did 911 affect pregnancy?

“Residence in the affected area increased prematurity, low birth weight, and admission to the NICU (neonatal intensive care unit) after birth, especially for boys.” For mothers who were in their first trimester during 9/11, exposure to the dust cloud more than doubled the probability of premature delivery.
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How long did the Twin Towers burn after collapsing?

The fires, which were fueled by office contents and burned for 7 hours, along with the lack of water, were the key reasons for the collapse. At the time, this made the old 7 WTC the only steel skyscraper to have collapsed from fire.
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What happened to all the metal from the twin towers?

11 World Trade Center attack, 50,000 tons of mangled metal from the twin towers have been sold and shipped to China as scrap. China's largest steel company denied reports that it plans to make souvenirs out of metal from the collapsed buildings.
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What happened to the remains of the World Trade Center?

Only a tiny portion of the World Trade Center's massive steel skeleton ended up in the Port Authority's archive: More than a million tons of debris ended up in a landfill in Staten Island, and the city sold 200,000 tons of structural steel in the international scrap metal market.
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Were any remains found from Flight 175?

During the recovery effort at the World Trade Center site, workers uncovered and identified remains from some Flight 175 victims, but many other body fragments could not be identified.
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Was there a ship under the Twin Towers?

For more than 200 years, it lay hidden beneath the ground upon which New York City's World Trade Center once stood. Now, four years after its discovery, scientists say they've solved the mystery of the ship hull found in the wreckage of the former World Trade Center site in lower Manhattan.
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What temperature do steel beams melt at?

Steel often melts at around 1370 degrees C (2500°F).
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Why is it called Ground Zero?

Ground Zero originated as a term to describe the site of a nuclear explosion and later was used to refer to the point of any dramatic or violent event. New Yorkers started calling the World Trade Center site Ground Zero shortly after suicide hijackers destroyed the Twin Towers.
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How long did it take to rebuild after 911?

The attacks on the World Trade Center killed 2,753 people. The resulting collapse of the World Trade Center caused structural failure in the surrounding buildings as well. The process of cleaning up and recovery at the World Trade Center site took eight months, after which rebuilding of the site commenced.
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Can Trauma be passed through pregnancy?

If the type of stress is particularly bad, this can cause the child trauma. Trauma in utero is commonly caused by chaotic or unpredictable lifestyle factors including, but not limited to, the mother's exposure to domestic violence, lack of antenatal care, or substance misuse during pregnancy.
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What did the pregnant rat study show?

Scientists investigating pregnancies in four generations of rats show that inherited epigenetic effects of stress could affect pregnancies for generations. Researchers from the University of Lethbridge in Canada wanted to investigate how preterm births are influenced by stress.
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What was on the top floor of the Twin Towers?

On the 107th floor of this building was a popular tourist attraction called "Top of the World Trade Center Observatories," and on the roof was an observation deck accessible to the public and a disused helipad at the center.
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How much does it cost to visit One World Trade Center?

Adult general admission $32, Senior $30, and Child $26.
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How hot was it inside the Twin Towers?

NIST reported maximum upper layer air temperatures of about 1,000 degrees Celsius (1,800 degrees Fahrenheit) in the WTC towers (for example, see NCSTAR 1, Figure 6-36).
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How fast were the elevators in the Twin Towers?

Twin Towers' elevator speed: 1,600 feet per minute

The Twin Towers had 198 elevators operating inside 15 miles of elevator shafts, and when they were installed, their motors were the largest in the world.
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