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Статистика обновлена 14.11.2026 в 07:34 · 2 просмотра страницы · Хотите больше просмотров?

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Why? tg18 тыс. подписчиков
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WHY DOES A MATCH LIGHT WHEN STRUCK?

Striking a match creates friction, which heats its tip. That heat starts a chemical reaction, igniting the match.

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👁 323 ↻ 1 вчера в 18:38
Why? tg18 тыс. подписчиков
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WHY do atmospheric coronae have colored rings?

A corona forms when light is diffracted by tiny water droplets in a cloud. Different wavelengths spread by different amounts, producing colored rings around the light source.

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👁 423 ↻ 1 вчера в 17:16
Why? tg18 тыс. подписчиков
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WHY do clouds stay up?

A cloud is made of tiny water droplets or ice crystals. They fall slowly because air resistance matters so much at that size. Rising air can keep them aloft, and when droplets grow large enough, they can fall as rain.

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👁 561 ↻ 2 вчера в 11:07