how Ferris wheel invented

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."

The Eiffel Tower was intended to be a temporary structure for the World's Fair in 1889, but it was nearly dismantled and sold for scrap metal. It was saved because of its potential use as a radio antenna, and it now serves as a tourist attraction as well as a working broadcast tower.

Over 1,800 years ago, long before modern technology, the ancient Chinese astronomer and inventor Zhang Heng created the world’s first seismograph in 132 AD. This ingenious bronze device could detect distant earthquakes by releasing small balls from dragons’ mouths into toads’ mouths—each indicating a different compass direction. Its historic detection of an earthquake 400 miles away astonished the imperial court and transformed the way societies understood and responded to seismic events.

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

In the 1940s and 1950s, Quaker Oats and MIT conducted experiments on radioactive iron and calcium-containing cereal. The diet was part of a study to see if the nutrients in Quaker oatmeal traveled throughout the body. In January 1998, a $1.85 million settlement was reached for 30 victims who came forward.

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.

In 1504, Christopher Columbus was stranded in Jamaica with natives who refused to give him food. But he knew the date and time of an upcoming lunar eclipse. So he told the natives that his gods were angry at their treatment of him, and would provide a clear sign. Once the eclipse started, the natives raced to give him food and begged for mercy.

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.

Sleep deprivation, long before modern interrogation techniques, was considered a “clean” and effective form of torture—leaving no physical scars, yet breaking minds with haunting silence. Victims endured days and nights without rest, leading to vivid hallucinations, disorientation, and psychological torment. This article traces the dark history of sleep deprivation as a weapon, examines the science behind its effects on the brain, and shines a light on the painful balance between human endurance and cruelty in the annals of coercion.

Penicillin was discovered by Alexander Fleming, but he never attempted to turn it into an antibiotic. It wasn't until ten years later that Howard Florey discovered Fleming's obscure paper and understood the mold's potential. Up to 200 million lives may have been saved as a result of Florey's work.

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.

The humble word “pen” carries a rich history rooted in ancient times, derived from the Latin word penna, meaning “feather.” Long before modern pens revolutionized writing, feather quills—especially from geese—were the essential tools of scribes, scholars, and artists. This article journeys through the origins of the pen, its evolution, and fascinating trivia about the timeless connection between feathers and writing.

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.

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.

In the 1980s, an Indian man spent 72 hours in a glass cabin with 72 snakes, some of which were extremely venomous. His aim was to prove that snakes only attack when provoked. Remarkably, he was not bitten once in those 72 hours and even set a Guinness World Record in the process.

A man named Nicholas Winton saved 669 kids during WWII and lived almost all his life without letting people know.

Terry Fox was a 21-year-old one-legged cancer patient who ran 3,339 miles across Canada in 143 days before dying.

These are the mugshots of Will West and William West, and they are not related. They were both sent to Leavenworth Prison at the same time, in 1903, and after some confusion, the staff understood they had two different prisoners with the nearly same name, who looked exactly alike. They are part of the reason fingerprints are now used as identification.

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.

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.

A Greek prime minister in 1830’s tried to spread the potato in Greece but people weren’t interested so he put armed guards in front of shipments of potatoes so people would think they were important. People later started stealing these potatoes a lot which spread the crop to all of Greece.

David Vetter lived his whole 12 years in sterile “bubble”. He was “outside” for 20 second after being removed from his mother’s womb. He never touched any human.

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.

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.

At the 1936 Summer Olympics, two Japanese pole vaulters named Sueo Oe and Shuhei Nishida tied for second, but they declined to compete against each other. As a result, Nishida was awarded the silver medal and Oe won a bronze medal. Upon returning to Japan, the athletes had their medals cut in half and spliced together to create new "friendship medals," which were half silver and half bronze.