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Category: Science & Tech

Insightful. Explicit. Informative.

Do you know why QWERTY are the first letters on any keyboard?

Christopher Latham Shole invented the QWERTY keyboard arrangement, making it the first letters in modern keyboards. Prior to the 1870s when Shole changed the keyboard arrangement, letters on the keyboard were arranged in alphabetical order. Currently, the alphabet starts with QWERTY on a typewriter, computer keyboard and obviously on smart phones keyboard. Why did Shole…
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Robots and basics you need to know about them

The word robot comes from the Czech word robota, meaning drudgery. A robot is a mechanical device that operates automatically. Robots can perform a wide variety of tasks. They are especially suitable for doing jobs too boring, difficult, or dangerous for human beings. Robots efficiently carry out such routine tasks as welding, drilling and painting…
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How are mirrors made to reflex your image?

Mirrors are used in many ways for example in telescopes, flashlights, headlights of cars and lamps in lighthouse. Mirrors are pieces of glass. It was discovered that glass forms when melted solid materials are cooled quickly, so that they do not produce crystals. Also See: Facts About Robots The main ingredients for making glass are…
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How does a space shuttle reach space?

Rockets are actually a very old idea. The Chinese invented them and used them as fireworks more than 800 years ago! Rockets then became known in Indian and Arabian countries. The first record of them in Western Europe was in AD 1256. All space flight depends on the use of rockets that burn enormous amounts…
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How to create a Facebook Messenger Room

How to create a Facebook Messenger Room Once it’s available in your area, here’s how to create a Room from your phone: Open the Messenger app. Tap the People tab at the bottom right of the screen. Tap Create a Room, and select the people who you want to join. To share a room with…
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FLIGHTS: How various aircrafts were invented

A lot of works have gone into building the world of flights leading to the invention of aircrafts. Geniuses have committed mental efforts into building what could have only be dreams to many. The invention of aircrafts have contributed to the growth of flights; else flight would have been for birds only. Helicopter Leonardo da…
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Why is protective clothing worn by scientists?

Two of the many things that scientists study are germs and bacteria that carry diseases; hence the need for protective clothing. Many of these germs and diseases could be extremely dangerous if touched or sometimes just breathing in. It is essential for the scientist to wear protective clothing which would include masks, gloves, body and…
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Incredible trends in the means of communication

Incredibly, there have been several changes in information communication. Only a few hundreds of years ago, the fastest way a piece of news could travel was to be carried by a person on horseback. Messages sent overseas could only travel as fast as the fastest sailing ship. Breakthrough came in communications with the invention of…
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Pyramid Builders Must Have Been Good Mathematicians, Here is why

The shape of a pyramid (polyhedron) is a three-dimensional figure with flat faces.

Illusion, Thought and Light

What is an optical illusion? Optical illusion is a trick played by our eyes on us. When we see an object, the actual image detection is done by our brain. The cells in the brain are the real decision makers about what the eyes are seeing. In case of an optical illusion, the brain sees…
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HOW DOES A TELEPHONE WORK?

Telephones transmit speech messages along wires by means of electrical signals. They were invented as long ago as 1876. In the handset of a telephone are a loudspeaker and a very small microphone, which contains granules of carbon. When you talk into the microphone the sound waves of your voice cause a metal diaphragm to…
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HOW DO RADIOS WORK?

Radio signals are transmitted using a carrier wave. Radio waves form part of the electromagnetic spectrum. Radio waves with the longest wavelengths are bounced off a layer high up in the Earth’s atmosphere, called the ionosphere. In this way radio messages can be bounced for very long distances. A radio transmitter changes, or modules a…
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How NASA Tracked Apollo 11 to the Moon and Back with 1960s Tech

NASA relied on the U.S. State Department to implement an extensive global network of antennas to collect radio signals from the Apollo missions, including the first moon landing, which occurred 50 years ago. The monitoring system, collectively referred to as the Spaceflight Tracking and Data Network, has gone through various incarnations: It cut its teeth…
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