Alexander Kendrick’s project consists of a low-frequency radio allowing a person to send text messages from almost 1,000 feet underground. Read his fascinating story on NPR.com. [via Slashdot]
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Alexander Kendrick’s project consists of a low-frequency radio allowing a person to send text messages from almost 1,000 feet underground. Read his fascinating story on NPR.com. [via Slashdot]
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