124 questions and answers in this section
Explain why do the colors on computer screens differ from reality?

Explain why do the colors on computer screens differ from reality?

Screens do not reproduce all the colors that the human eye can perceive. Each screen has a gamut, which is a specific range of colors...

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Explain why do our headphones tangle so easily?

Explain why do our headphones tangle so easily?

Our earphones are made of soft materials, mainly flexible plastic or rubber, which allows them to twist and bend freely. This complete lack of rigidity...

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Explain why light-emitting diodes (LEDs) are more energy efficient.

Explain why light-emitting diodes (LEDs) are more energy efficient.

Light-emitting diodes, or LEDs, are composed of semiconductor materials such as gallium arsenide or gallium nitride. The atoms of these materials have special properties due...

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Explain why does the city of Tokyo (in Japan) have so many vending machines?

Explain why does the city of Tokyo (in Japan) have so many vending machines?

In Japan, you can't walk a few meters without coming face to face with a vending machine. The Japanese place a high value on convenience...

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