911 why the towers fell

I love you, honey. Sandy Bradshaw, a flight attendant, called her husband and explained that she had slipped into a galley and was filling pitchers with boiling water.

The passengers fought the four hijackers and are suspected to have attacked the cockpit with a fire extinguisher. The plane then flipped over and sped toward the ground at upwards of miles per hour, crashing in a rural field near Shanksville in western Pennsylvania at a.

All 44 people aboard were killed. Its intended target is not known, but theories include the White House , the U. Capitol, the Camp David presidential retreat in Maryland or one of several nuclear power plants along the eastern seaboard. Citizens of 78 countries died in New York, Washington, D.

At the World Trade Center, 2, died after the two planes slammed into the twin towers. That figure includes firefighters and paramedics, 23 New York City police officers and 37 Port Authority police officers who were struggling to complete an evacuation of the buildings and save the office workers trapped on higher floors.

At the Pentagon, people were killed, including 64 on American Airlines Flight 77, the airliner that struck the building. On Flight 93 , 44 people died when the plane crash-landed in Pennsylvania. Bush , who was in Florida at the time of the attacks and had spent the day being shuttled around the country because of security concerns, returned to the White House.

These acts shatter steel, but they cannot dent the steel of American resolve. In a reference to the eventual U. Within two months, U. Osama bin Laden, the mastermind behind the September 11th attacks, remained at large until May 2, , when he was finally tracked down and killed by U. In June , then-President Barack Obama announced the beginning of large-scale troop withdrawals from Afghanistan; it took until August for all U.

It was signed into law by President George W. Bush on November 25, Today, the Department of Homeland Security is a cabinet responsible for preventing terror attacks, border security, immigrations and customs and disaster relief and prevention. Mohammed led propaganda operations for al Qaeda from In August , a U. On the first day of trading after the attacks, the market fell 7.

The heaviest losses were in finance and air transportation, which accounted for 60 percent of lost jobs. Thousands of first responders and people working and living in lower Manhattan near Ground Zero were exposed to toxic fumes and particles emanating from the towers as they burned and fell.

The Victim Compensation Fund was set to stop accepting claims in December Future designs. He pointed out that fires frequently occur in high-rise buildings and noted that between and , 30 fires occurred in the United States in buildings that were 50 stories or taller. Right now, structural engineers know very little about fire. He and his colleagues will attempt to answer those questions when the ASCE report is made public next spring.

Does it make sense to design buildings to withstand such events as Sept. The Blume Lecture series honors John A. Blume, often called "the father of earthquake engineering," who earned his undergraduate and doctoral degrees at Stanford. In he helped underwrite the John A.

Blume Earthquake Engineering Center, which promotes earthquake engineering research and education. Today at age 92, Blume remains a consulting professor in Stanford's Department of Civil and Environmental Engineering. By Mark Shwartzw. All Rights Reserved. There are a number of reasons this building collapsed on the day, despite not being hit by planes, which have been described by investigators, scientists and experts since. NIST says that debris from the collapse of the North Tower ignited fires on at least 10 floors of World Trade Center 7, some of which burned out of control because the automatic sprinkler system for some floors had failed partly due to city water lines damaged by the collapse of the Twin Towers.

Heat from the fires then caused steel support beams to expand which led to several floors collapsing. This then triggered a number of other structural failures, which eventually resulted in the whole building collapsing. This article is part of our work fact checking potentially false pictures, videos and stories on Facebook.

You can read more about this—and find out how to report Facebook content— here. News this year has fractured communities, and caused confusion and panic for many of us.