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?

When we talk about headphones and the tendency to easily get tangled, it is crucial to understand the nature of small, flexible and inherently messy...

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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?

Vending machines in Japan have a long history. They started appearing in the 1960s, during the country's economic boom. At that time, the Japanese were...

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