125 questions and answers in this section
Explain why the battery icon on the iPhone is yellow.

Explain why the battery icon on the iPhone is yellow.

The yellow color on an iPhone's battery icon appears as soon as the low power mode is activated. This choice allows you to be instantly...

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Explain why Hedy Lamarr, a Hollywood actress, was also a recognized inventor?

Explain why Hedy Lamarr, a Hollywood actress, was also a recognized inventor?

Born in Austria, Hedy Lamarr quickly became one of the icons of Hollywood cinema in the 1930s and 1940s. She was often nicknamed "the most...

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Explain why computers are sometimes slow?

Explain why computers are sometimes slow?

The slowness of a computer often comes from hardware components that are too old or outdated. A mechanical hard drive can take its time to...

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Explain why refrigerators make noise when they are running?

Explain why refrigerators make noise when they are running?

The main culprit of the noise is the compressor. It works a bit like a small electric pump responsible for compressing and circulating the refrigerant...

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Explain why Hedy Lamarr, Hollywood actress, is also considered the mother of wifi?

Explain why Hedy Lamarr, Hollywood actress, is also considered the mother of wifi?

Hedy Lamarr is best known as a highly popular Hollywood actress from the 1930s to 1950s. Originally from Austria, she arrived in the United States, quickly landing...

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Explain why programming in the JavaScript language is essential for modern web development?

Explain why programming in the JavaScript language is essential for modern web development?

The JavaScript language is everywhere on the internet today: it's hard to find a modern web page that doesn't use it. This language runs directly...

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Explain why speedrunners aim to finish games as quickly as possible?

Explain why speedrunners aim to finish games as quickly as possible?

The practice of speedrunning is a true quest where players test their limits. Completing a game very quickly requires patience, hours of training, and a...

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Explain why realistic physics is essential in driving simulations in video games.

Explain why realistic physics is essential in driving simulations in video games.

A realistic physics makes driving games much more immersive: you really feel the differences when you accelerate, brake, or negotiate a turn. Your vehicle reacts...

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Explain why data is stored in bits and bytes?

Explain why data is stored in bits and bytes?

Computers speak the binary language, which consists solely of two states: 0 or 1. Why? Because electronic components like transistors can easily manage two simple...

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Explain why traffic lights are generally red, yellow, and green.

Explain why traffic lights are generally red, yellow, and green.

From the age of the first railway lines in the 19th century, English engineers were already using colored lights as signals. The red, a color...

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