DIY Stethoscope | ThinkTac | Science Experiment

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. A stethoscope is a medical instrument to listen to a patient's heartbeat or breathing, and typically has a small disc-shaped resonator that is placed against the chest, and two tubes connected to earpieces. Here, we insert pipes in a cut ball and insert binding wire to the pipes to give them the shape of a stethoscope. Foam pieces are fixed at the other end of the rubber pipes to make the ear plugs.
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