Most of the times we think that teenagers are annoying. But, teenager often brings good news. Alexander Kendrick, the 16-year old invented a low frequency radio that can be used for cave-testing. Cave-texting means that people can finally text while deep underground. The exploration team of Alexander can go 946 feet underground to record the deepest known digital communication ever in the United States. In the above picture, the boy is holding a collapsible radio antenna. He also has plan to make the antenna smaller so that it can be comfortably used by rescuers and explorers.
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