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This week's questions

How does a silencer in a gun muffle the noise of firing?

T. Tarun, Tiruchi, Tamil Nadu

Why do wounds in joints take a longer duration to heal compared to other parts of the body?

R. Vaitheeshwar, Tiruchi, Tamil Nadu

Readers can send questions/answers on science and technology for the Question Corner

along with their names and address to the following email id: questioncorner@thehindu.co.in or to The Editor, The Hindu (Science and Technology),

859-860, Anna Salai, Chennai 600 002.

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