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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R-Ray Spex
WOW! X-Ray Specs! Remember ordering those? This is Sandra Tsing Loh with the Loh Down on Science, saying yeah, mine didn’t work either! But, good news, kids! Researchers from M-I-T think they have a NEW way to see through walls. Dina Katabi used radio waves to map people’s locations. This
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