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This week’s questions

When a smaller object (like a scooter) is in the shadow of a bigger object (like a tree) we still see its faint shadow in the larger object’s shadow in daylight. How is this possible?

Sapna Prasad, Chennai

What is unbreakable glass made of? How different is it from normal glass and is it really unbreakable?

Bharat G. Patel, Chennai

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