Alexander Graham Bell invented the first speaker in the world in 1875. This was the world’s first audio speaker in the world which plays back the voice of the caller. It’s not very easy for anyone to make a speaker; a person must have the knowledge of sound waves, electricity, mechanics, chemistry and physics. A […]
Solar LED lamps, a part of the modern alternative technology, took almost a half decade to take their present form. The process of development started in the 1960s. In the mid-1960s, Japanese scientists installed a photovoltaic array to the Ogami island lighthouse. Thereafter in 1970s, Exxon Corporation took an initiative to develop an affordable solar
The first smoke detector or fire alarm was invented in the year 1890 by Francis Robbins Upton. But it was George Andre Darby who got the first patent for heat detector in the year 1890 in England. In 1930, the Swiss Physicist Walter Jaeger was trying to invent a poison gas alarm but because the
Once upon a time, Sheikh Nasreddin was sitting at the window of his house. It was raining heavily. Suddenly, he saw his neighbour running in the rain. Sheikh Nasreddin called out, “This rain is a gift from God. Why are you running from it?” The neighbour was confused and did not know what to say.
The sliding door was founded and discovered in the year 1951 by the engineer named Centor. The main aim of engineers was to develop the finest door track for sliding doors available in that generation. The good and same quality and performance is still renewed in the door track system six centuries later. Today in
Skateboarding is a sport that was originally inspired by surfing. The idea was to surf streets. The origin of the sport is a matter of speculation and nothing concrete has been proved regarding the same. It seems to be a strangely spontaneous sport, which was not patented by any individual person. The first skateboarders started
Chapter 4 More than a week went by on the tenth afternoon there was a falling swell and a thick, wet, white fog that hid one end of the brig from the other. I felt danger in the air and was excited. Maybe about ten at night, I was serving Mr. Riach and the captain
Now on TV, magazines, the advertisement of shampoo is very common but when we talk about its invention and use by people the very first time you will really be amazed to know that it had been in use since 1762. The term shampoo evolved from word ‘champoo’. Firstly, massaging treatment was started by a
Invented during the first industrial revolution, the basic idea behind a sewing machine is to stitch together fabric, cards, etc., via means of a thread. The first sewing machine design was given to the world by an English inventor, Thomas Saint. He patented the design in 1790 but failed to advertise the invention. It is
The first transparent adhesive tape was created in the year 1930 by a young engineering school dropout named Richard G. Drew. The idea of a transparent tape was the extension of the masking tape that Drew invented in the early 1920s. When Drew saw auto painters struggling with dual-tone auto painting, he decided to find
The first scanner invented to make use of with a system is drum scanner. This first copy drum scanner was invented by Russell Kirsch and his team in 1957 at the US National Bureau of Standards. The first actual scanner was invented by Rudolph Hell in the year 1963. Through this scanner, he was able
The first historical stove was invented in Alsace, France, in the year 1490. Bricks and tiles were used to make this stove and it also had chimney. Thereafter in the year 1728, good-quality stoves were made of German design using cast iron. These stoves were named as Jamb or five-plate stoves. During 1700s, Benjamin Franklin
Chapter 3 I came in darkness, in great pain, and bound hand and foot. I lay somewhere in the belly of the unlucky ship. The whole world heaved up, then rushed down. I could hear the scurryings of the rats of the ship that sometimes ran across my face. I was sick and hurt, confused,
The sketches of the submarine were designed by the famous Leonardo da Vinci and the actual plans were made by William Bourne, but the Dutchman Cornelius Drebbel, under the service of James I of England constructed the first submarine in the year 1620. It was built as per the designs and specifications laid down by
Sunscreen usage is thought to be a relatively modern concept. However, it has its origin in ancient Egypt. Ancient Egyptians had a perception that fairer skin was more beautiful than darker skin. They used a kind of potion to ward off tanning and to heal the damaged skin. Modern sunscreen is the result of the