When somebody over-rates himself, he is often warned: “Don’t be a mantis trying to stop a chariot.” The saying comes from a legend dated back to the spring and autumn period. One day, the King of Qi went out for hunting. The carriages were going along, when suddenly a mantis stood in the middle of […]
The escalator, which made climbing stairs easier, is dated way back in 1859. On 9 March, 1859, Nathan Ames of Massachusetts got a patent issued for revolving escalators. It provided a base for others to work on and developed it into the modern-day escalator. During 1890s, Jesse Reno made a practical model of the escalator.
Though the first ever elevator was created in the year 1793, the history of it dates back to as early as 236 BC, where there was a reference of a structure like elevator in the Roman empire. The invention of the screw driver was what led to the invention of the first kind of modern-day
The earliest accounts of using irons for smoothing out wrinkles in fabrics were from China in the 1st century BC. Flat irons came to be used in the 17th century. The invention of the electric iron is credited to an American inventor named Henry Seeley in 1882. An iron heated by a carbon arc was
The South Australian bathroom accessories company Caroma was known for being an innovative company. Its founder, Charles Rothauser, developed the first one-piece plastic toilet cistern (the water tank above the toilet bowl) in the late 1950s. In 1981, Caroma launched the first effective dual flush toilet. Two flush buttons operated the Caroma model–one for a
Doors were discovered by the black man named Hooch Turner in the year 1345 at Sydney in Australia. A door can be placed anywhere in the house; hence it is a movable object. Doors are mainly placed at the entrance of the house. We commonly use doors at the entrance of the house, toilet, bedrooms,
A dispute arose among a number of animals, namely the wolf, the fox, the cat and the hare. Unable to settle matters by themselves, they summoned the bear to act as judge. Everyone said, he had a hundred or thousand ways to escape. Only the cat said she had only one way to escape.Then the
Mr. Osburn Dorsey was the first one who invented the first door-stop in the year 1878. He was an African American inventor. After that there were many door-stop inventors who came with different variations and ideas. Door-mounted door-stops, rotating door stops, the customary wedge door-stop, electronic and magnetic door-stops and floor mounted door-stops are some
The doorknob was a precursor to a general Egyptian security device for the time and a pin tumbler kind of locks. In this lock, a large wooden bolt was used to safeguard a door with an opening and numerous holes in its top. These holes at the upper part were packed with wood dowels to
Joel Houghton invented the first dishwasher in the year 1850, which was also when it got patented. It was a very simple and easy-to-use hand-turned splashing equipment which was fixed to a wooden tub. In 1865, an enhancement of this device was patented by L.A Alexander who added gears to the spinning rack that held
The diesel engine was invented by Dr. Rudolf Diesel in 1893. He was born in Paris. Initially, he was appreciated for designing many heat engines. He applied for many patents in the United Kingdom, Germany, the United States and Switzerland, and succeeded in getting the patents. The diesel engine uses a combination of oil and
A dictionary is a book that lists almost all known words with their meanings, pronun-ciations, usage information and other information in an alphabetical order. It can be any language depending upon the country. There is no specific person associated with the invention of a dictionary. However, the oldest known dictionary was invented in Syria, roughly
Now no one can complete his math studies without the proper understanding of deci-mals. It is actually a numeral system having ten as its base. Sometime it also refers to decimal fractions. When we talk about its invention, no one has the accurate answer with evidence. It is believed that decimals were present and used
CT scan is a computed tomography scan. It is a medical procedure by which x-rays processed by the computer are used to obtain the tomographic images of the various parts of the body. G.N. Hounsfield was the inventor of CT scan, a diagnostic X-ray system. The invention of CT scan is considered to be the
Crossword puzzles were discovered by Arthur Wyne in 1913. He was working for a newspaper called ‘The New York World’. His editor asked him to create a new game for the entertainment section. It was diamond-shaped and was referred to as word-cross. Later, it came to be known as cross-word and finally because of an