16-year-old Alexander Kendrick has invented a low-frequency radio that allows for cave-texting, meaning deep underground cellular communication.
Says Engadget,
"Alexander's team of intrepid explorers went far enough (946 feet) to record the deepest known digital communication ever in the United States. What you see the young chap holding (pictured directly below) is the collapsible radio antenna, though plans are already afoot to ruggedize and miniaturize the equipment to make it more practical for cave explorers and rescuers."
Pretty impressive, especially for a 16-year-old kid. Listen to the story on NPR.
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