Morse code

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That Techno Beat May Be Hiding a Secret Message

Cybersecurity researcher pulls it off via Ibiza dance music

(Newser) - There is a long and melodious history of hiding secret messages in song—so-called musical steganography—that dates back at least 500 years. But now a cybersecurity expert from Poland has revealed a new way to send messages that are otherwise undetectable through song: tiny adjustments in tempo. To test... More »

SOS Signals Century Mark

* * * / - - - / * * * saved thousands of lives in first 100 years

(Newser) - Take a moment today to honor the 100th birthday of the SOS signal—the Morse code dots and dashes that have saved thousands of lives. The distress call was introduced in 1908 to replace an older code, "CQD," which was easier to confuse with other signals, the Times... More »

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