122 questions and answers in this section

The rectangular nature of liquid crystals is one of the main reasons why pixels on screens are square. Indeed, liquid crystals have a molecular structure...

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Explain why were telephone cables twisted in old installations?

Explain why were telephone cables twisted in old installations?

Telephone cables were twisted in the old installations to reduce electromagnetic interference. This technique involves intertwining the conductive wires into twisted pairs. When these pairs...

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Explain why mechanical watches become less accurate over time without maintenance?

Explain why mechanical watches become less accurate over time without maintenance?

Mechanical watches become less accurate over time without maintenance due to several internal factors that affect their operation. These watches are made up of many...

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Explain why do data on the Internet travel at the speed of light?

Explain why do data on the Internet travel at the speed of light?

Optical fibers are thin and flexible threads made of glass or plastic, capable of transmitting light over long distances. They are used for high-speed data...

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Explain why some video games are considered electronic sports?

Explain why some video games are considered electronic sports?

Electronic sports, also known as eSports, emerged in the late 1960s and early 1970s with games like "Spacewar!" and "Pong". However, it was in the...

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Explain why is the darknet dangerous?

Explain why is the darknet dangerous?

The darknet provides anonymity to users, which can facilitate criminal activities. Criminals exploit this characteristic to engage in illegal activities discreetly. Financial transactions, the sale...

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Explain why the color of pixels can vary from one screen to another?

Explain why the color of pixels can vary from one screen to another?

Screens use different technologies to display images. Liquid crystal displays (LCD) are among the most common. They work by manipulating light through liquid crystals to...

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Explain why emojis are sometimes displayed differently on different devices?

Explain why emojis are sometimes displayed differently on different devices?

The standardization of emojis is a crucial aspect to ensure a consistent user experience. Emojis are defined by standards such as Unicode, which assigns a...

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Explain why do our computer mice use optical sensors?

Explain why do our computer mice use optical sensors?

The computer mouse equipped with an optical sensor offers increased precision compared to a mechanical sensor. Indeed, the optical sensor uses surface scanning technology that...

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Explain why do our photos lose quality on the Internet?

Explain why do our photos lose quality on the Internet?

When we share photos on the Internet, it is common to see a loss of quality due to image compression. Compression is a process that...

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