Journey to the center of … YOU?! This is Sandra Tsing Loh with the Loh Down on Science. To see inside ourselves, we use ultrasound machines! They capture 2D images of our internal organs using sound waves. But this technology is difficult to use for LONG periods of time. It
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Talk about ham radio! Literally ham. This is Sandra Tsing Loh with the Loh Down on Science. Medical devices like pacemakers give doctors vital information about our health! Unfortunately, most pacemakers only last around five years. How can medical devices last longer? John Ho at the National University of Singapore
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