Why is glass clear?
Why is ice clear, but snow white?
Why are soap bubbles & oil slicks colorful?
Why is the sky blue?
Is the night sky blue too?
etc
Dalam file presentasi di bawah ini (judul asli : Natural Light The Physiology of Color The Natural Appearance of Things), ada penjelasan-penjelasan sederhana tentang pertanyaan-pertanyaan di atas


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