🥛 Chủ đề: Kính (Glass) – Vật liệu quen thuộc nhưng chúng ta hiểu bao nhiêu về nó?

singingbowls

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Tham gia
23/2/2026
Bài viết
10
Hi everybody,


Glass is everywhere: windows, phones, glasses, computer screens… But I suddenly wondered:


  • 🔍 What is glass made of? (Sand? Silica?)
  • 🔥 Why is glass transparent yet so hard?
  • 💥 Why does glass shatter into sharp pieces?
  • 📱 How does tempered glass on a phone differ from regular glass?

I've heard that glass isn't actually a completely solid, but rather a kind of "amorphous solid." Is that true?
 
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