LF texting underground can save lives

National Public Radio (NPR) reports that Alexander Kendrick, 16, has developed a Low Frequency (LF) system to transmit text messages into underground caves.

Alexander won the 2009 International Science Fair for inventing this cave-texting device.

The award got the teen from Los Alamos, N.M., a new computer, a trip to Switzerland and $12,000.

Read and listen to the NPR story - Texting Underground Can Save Lives And Caves
http://www.npr.org/templates/story/
story.php?storyId=123116417

Thanks to George Boorer ZL3PN for this item.

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