DIY Stethoscope | ThinkTac | DIY Science

A stethoscope is a medical instrument, used to listen to a patient's heartbeat or breathing, and typically has a small disc-shaped chest piece that is placed against the chest, and two tubes connected to earpieces. In this guide, we will learn to make a stethoscope, using a plastic bottle cap, two plastic tubes, thick binding wire to form the shape of a stethoscope, foam pieces as earplugs and a balloon as a diaphragm.
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