how Ferris wheel invented

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.

The ancient Egyptians used a pregnancy test that involved potentially pregnant women peeing on barley and wheat seeds. Plant growth indicated pregnancy: barley for a boy and wheat for a girl. Later tests revealed that pregnant women's urine causes plant growth 70% of the time, whereas non-pregnant women's urine does not.

The deadliest snowstorm ever recorded occurred in Iran in 1972. It lasted for a week, burying areas in 26 feet of snow and killing over 4,000 people, including the entire populations of three villages.

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).

To prevent tourists from stealing their beer glasses, some bars in Belgium require people to hand over one of their shoes as a deposit which is then put in a basket and hung from the ceiling. These shoe baskets have also become an attraction.

The unbroken seal of Tutankhamun's tomb before it was opened in 1923, it was unbroken for over 3000 years.

Discover the chilling legend of the Mouth of Truth (Bocca della Verità) in Ancient Rome—a massive carved stone face believed to bite off the hand of anyone who lied while inserting their hand into its gaping mouth. Uncover the truth behind its eerie reputation and how this ancient artifact became a symbol of honesty and fear.

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.

Hours before his death Edgar Allen Poe was found on the streets of Baltimore. He was incoherent, wearing another man’s clothes, and unable to explain how he got there. The cause of his death is an unsolved mystery.

We are all aware that medicine has advanced dramatically over the last fifty years. There are several modern medical approaches available today, but this was not always the case. However, the past of medicine is a dark one. Medical leeches, lobotomy, vascular surgery, cranial stenosis, and even electroshock therapy are all options. These are only a couple of the cruel healing techniques that are still in use today.

In 2009 in a coal mine of Columbia, scientists discovered fossils of the world’s largest species of snake. The species is called “Titanoboa cerrejonensis,“and it is from around 60 million years ago. It would have had measured about 48 feet long and weighed about 2,500 pounds

Sony's PlayStation was never meant to be an actual product. Instead, it was intended to be a CD-ROM console that would support Nintendo games. However, when Nintendo backed out of the deal at the last minute, Sony went ahead and launched what soon became one of the most successful gaming consoles of all time.

Bill Haast immunized himself by injecting snake venom into his blood for several years. He holds the Guinness World Record for surviving the most lethal snake bites, having been bitten over 172 times. Bill became known as "Snake Man" around the world and lived for over 100 years.

In the bustling vaudeville scene of early 20th century New York, a mysterious performer known as "Sober Sue" captured public imagination not for jokes or songs, but for her unshakable stoicism—she never smiled or laughed. A local theater even offered a tempting reward of $1,000 to anyone who could make her laugh, drawing crowds and famous comedians eager to claim the prize. Despite countless hilarious attempts, Sue remained expressionless, a mystery that baffled performers and audiences until it was revealed that she suffered from facial paralysis, explaining her unchanging demeanor.

At the 1912 Olympics, a marathon runner quit and went home to Japan without telling officials and was considered a missing person in Sweden for 50 years. In 1966, he was invited to complete the marathon. His time: 54 years, 8 months, 6 days, 5 hours, 32 minutes, and 20.379 seconds.

The ancient city of Jericho is the world's oldest walled city, with evidence of stone fortifications dating back nearly 9000 years.

During WWII, a German pilot spotted an American pilot’s crippled plane in the sky. Tailing it, he noticed that gunner was dead, crew injured, and they posed no threat. Instead of destroying the plane, he led it to safety. 40 years later, the two pilots reunited.

In 1937, a gas leak in the basement at the local school in New London, Texas caused a massive explosion which killed almost 300 children and teachers, the deadliest school disaster in US history. Adolf Hitler even sent his condolences by telegram.

Hollywood actress Hedy Lamarr was also a mathematician and the inventor of frequency hopping spread spectrum, a technology still used for bluetooth and wifi

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.

Louis Le Prince, the inventor of motion pictures, vanished without a trace in 1890. Thomas Edison quickly claimed the title of "first and sole inventor of cinema," even taking Le Prince's son to court to dispute it. A few years later, the son also dies under mysterious circumstances.

William James Sidis, who was only 11 years old when he enrolled in Hardvard, finished his primary and secondary schooling in less than a year. He knew eight foreign languages by the age of eight and even invented his own language, "vedergood."

In 1814, there was a beer flood in London when a tank containing more than 300,000 gallons ruptured in which 8 people drowned.

Henry Ford was the first Industrial Giant to give his employees both Saturday and Sunday off in the hope of encouraging more leisurely use of automobiles and thus popularizing the concept of the "weekend."

Super Mario is named after real-life businessman Mario Segale, who was renting out a warehouse to Nintendo. After Nintendo fell far behind on rent, Segale did not evict them but gave them a second chance to come up with the money. Nintendo succeeded and named their main character after him.