Chapter 15 Our magnetic compan, all of a sudden, went out of order. It was not working properly. It had lost its accuracy. It was a great setback for us, for the compass was a reliable guide apart from Hans. I knew quite well that according to the best received theories the mineral covering of […]
The computer mouse, as we know it today, was invented and developed by Douglas Englebart during the 60s and was patented on 17 November, 1970. While creating the mouse, Douglas was working at the Stanford Research Institute, a think tank sponsored by Stanford University, and originally referred to the mouse as a ‘X-Y Position Indicator
The mosquito coil is commonly used in almost every home but the first time, it was invented by Eiichiro Ueyama, a Japanese businessman in 1890. However, such mosquito coils were in form of small stick bars which use to be burnt very soon, so were not able to repel mosquitoes for many hours but it
The first modern portable headset or mobile was developed and invented by Martin Cooper, who was the former general manager with Motorola for the systems division. He is said to have developed the concept and had made the first call to a portable cell phone in the month of April, 1973. He made the call
An electric standing mixer was first invented in the year 1908 by Herbert Johnson. Herbert Johnson was an engineer in Hobart Manufacturing Company and he got the idea of inventing a mixer from a baker mixing dough using a metal spoon. Later he invented 80 quart mixer in 1951. The mixer became a normal apparatus
The microwave oven is a famous kitchen appliance that is recognized by many house-holds in the current era. It was invented by Percy Spencer who was responsible for constructing magnetrons for the radar sets. In 1945, the specific heating effect of the beam of high-power micro-waves was discovered. In the year 1947, the first commercial
Chapter 14 It might have been, as I guessed, about ten at night. The first of my senses which came into play after this last bout was that of hearing. All at once I could hear; and it was a real exercise of the sense of hearing. I could hear the silence in the gallery
The microphone, a device used to augment the sound, was first invented by Sir Charles Wheatstone in the year 1827. Initially, microphones were used only as radio transmitters and telephones. In 1876, Emile Berliner invented the first microphone to be used with telephone. She was inspired by the Bell Company telephone demonstration at US Centennial
In ancient times, there lived an orphan peasant boy named Syahdan in Sumatra Island. Syahdan had to do farming and fishing. One day, he was fishing a very beautiful fish. The colour was golden yellow. So holding, the fish turned into a beautiful princess. Because a human touched, it turned into a princess. Fascinated by
The use of medicine had been first started by the primitive men as herbal remedies. It is found in the 25,000 years old sketches present in the Lascaux caves of France that evident that the primitive people in France used plants for remedial purposes. Later, medicines were invented by the Egyptians. Around 3000 BC, the
In the year 1805, the modern form of matchsticks came into existence. It was invented by K. Chanel in Paris but failed to gain popularity since it turned out to be expensive and also hazardous. The form in, which we know matchsticks today, the friction matchsticks, came into existence in the year 1827 thanks to
Chapter 13 Thursday, 27th August was a date which remained etched in my memory. Whenever I think of this day, a shiver goes down my spine and I feel restless and scared. My heart begins to palpitate at a fast speed. From that hour we had no further occasion for the exercise of reason, or
Magnets were not invented, but rather were found from a naturally occurring mineral called magnetite. Traditionally, the ancient Greeks were the discoverers of magnetite. There is a story about a shepherd named Magnes whose shoe nails stuck to a rock containing magnetite. The Greeks discovered naturally occurring magnets of magnetite in Turkey. Magnetite has a
The loudspeaker is essentially a device which is used to take electrical stimulation to convert it into sound. The modern loudspeaker’s idea came into existence in the year 1898, by an English scientist named Oliver Lodge who was by luck the second to get a patent for the loudspeaker. The first to get the patent
Chapter 12 Since the start upon this marvellous pilgrimage I had been through so many astonishments that I might well be excused for thinking myself well hardened against any further surprise. Yet at the sight of these two letters, engraved on this spot three hundred years ago, I stood aghast in dumb amazement. Not only