how Ferris wheel invented

In 1939, George Dantzig arrived late to his statistics class. On the board were two famous “unsolved” problems in statistics written as an example by his professor. Dantzig mistook the examples for homework assignments. He solved the “unsolved” problems and submitted the homework to his professor a few days later. His solutions earned him a doctorate.

Volcanic eruptions can devastate cities, change the world's atmosphere, and devastate economic systems. They can create molten lava rivers, mudslides, suffocating ash, and poisonous gases that cause chaos around the world for years. A volcanic explosion's effects can be massive, from its size to its death toll to its economic cost. Here is ten world’s most destructive and dangerous volcanic eruptions in history.

In 1987 a man hijacked a television station during an episode of Dr. Who and wore a Max Headroom mask and uttered nonsense, and he still hasn’t been caught

Archaeologists were shocked to discover that a series of camels carved into desert rock faces in north-western Saudi Arabia are actually prehistoric, dating from 7,000-8,000 years ago - before either the Pyramids of Giza or Stonehenge were built.

On May 30, 1883, a rumor that the Brooklyn Bridge was going to collapse caused a stampede, which killed at least at twleve people. To prove the bridge was safe, P.T. Barnum led a parade of 21 elephants over it.

4 January 1961: The 4241st Strategic Wing's Boeing B-52G-95-BW Stratofortress, serial number 58-0187, was on a 24-hour airborne alert mission off the United States' Atlantic Coast.

The Arabia was a steamboat that sank in the Missouri River in 1856. Over time, the river shifted 800 meters to the east, eventually turning the site of the sinking into a field. The steamboat remained under 45 feet of slit and topsoil until 1988, when it was excavated. The mud, as it turned out, was such a great preserver that most of the artifacts on board were found to be intact. They even found jars of preserved apples that were still edible!

Roller coasters were invented to distract Americans from sin. In the 1880s, hosiery businessman LaMarcus Thompson didn’t like that Americans were going to places like saloons and brothels and created the first roller coaster on Coney Island to persuade them to go there instead.

The first person to jump off the Brooklyn Bridge was a professional high diver who "wanted to demonstrate that people did not die simply by falling through the air, thus encouraging people to be willing to jump from a burning building into a net." He proved himself correct by safely falling 135 feet through the air and dying only when he hit the water.

Wrigley's was originally a soap company that gifted baking powder with their soap. The baking powder became more popular than the soap so they switched to selling baking powder with chewing gum as a gift. The gum became more popular than the baking powder so the company switched to selling gum.

American environmental activist Julia “Butterfly” Hill lived in a 1500-year-old California Redwood tree for 738 days to prevent it from being cut down by the Pacific Lumber Company. The Simpson’s episode “Lisa the Tree Hugger” was inspired by Hill’s story.

Scientists recreated an Anglo-Saxon manuscript-based 9th century onion and garlic eye remedy and discovered that it killed 90% of antibiotic-resistant staph bacteria (MRSA).

Before women were allowed to run in the Boston Marathon, Kathrine Switzer participated. A race official attempted to forcefully remove her from the race in 1967, but her boyfriend pushed him down. She was the first female finisher who had a numbered entry in the race.

Between 1949 and 1989, the Semipalatinsk Test Site in Kazakhstan became the primary location for Soviet nuclear weapons tests, exposing millions of unsuspecting villagers to radioactive fallout. Known as the “Polygon of Suffering,” this remote desert witnessed 456 nuclear detonations that caused widespread health crises, birth defects, and generational genetic damage. This article narrates the chilling legacy of Semipalatinsk, unveiling the human cost of Cold War arms development and the ongoing struggle for healing and recognition in Kazakhstan.

Irene Sendler was the Zegota resistance group's head of the children's department. She risked her life to smuggle children out of the Warsaw ghetto, place them with Polish families or orphanages, give each child a new identity, and keep records so that they could be returned to their families. In 1943, the Gestapo arrested and sentenced her to death, but she was rescued by Zegota.

During WW2, there was a special unit of men dubbed the ‘Ghost Army’. The unit was made of artists, creative and engineers and their job was to create deception about the enemy. From inflatable tanks to phony convoys to scripted conversations in bars intended to spread disinformation, they used all possible tricks to fool the enemy.

In 1944, George Stinney Jr. was 14 years old when he was executed in South Carolina. It took only ten minutes to convict him — and 70 years to exonerate him.

Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo on June 28, 1914. The killings sparked a chain of events that led to the eruption of World War I by early August.

This clay tablet, written in cuneiform, is the oldest known written customer complaint about the delivery of poor quality copper ingots. Originally from ancient Babylon, the tablet dates back to 1750 BCE, and it was written by a customer named Nanni to a merchant named Ea-Nasir. It is currently housed in the British Museum.

After the death of her husband, Mary Ann Bevan had no income to support herself and her children. She then decided to enter a contest where she won the title of “ugliest woman” and was later hired by a circus. She endured this ridicule from the world to provide for her family.

The roaring 1920s revolutionized fashion, introducing bold styles, daring cuts, and a spirit of freedom that still inspires today’s wardrobes. From flapper dresses to statement accessories, here’s how the Jazz Age lives on in modern fashion.

Treadmills were originally a punishment used to harness human power on a giant wheel used to grind grains, hence the name "treadmill." The History of Treadmill

Anne Oakley was such a good shooter that she could split a playing card help edge-on, hit dimes thrown into the air, shoot cigarette from her husband's lips, and pierce a playing card thrown into the air before it hit the ground.

Long before radar revolutionized air defense, enormous acoustic mirrors and specialized sound locators stood as the first line of defense against enemy aircraft. Designed as giant “ears,” these structures amplified distant engine noises, allowing operators to detect incoming planes by sound alone. Dive into the intriguing world of these pioneering listening devices, their operation, limitations, and enduring legacy in military history.

1850 Dmitri Mendeleev walked almost a thousand miles to Moscow so he could apply for the University of Moscow. Although he was not accepted, he walked to St. Petersburg where he was accepted, And with that education, he developed the the periodic table of the elements