Dr. Borisenko concluded, "We have demonstrated a new technology for writing a covert code invisible to the naked eye. This code can only be revealed if the direction of rotation of the ...

Flight attendants and pilots use a series of secret codes to communicate with each other - and some of them signal that ...

HONOLULU, HI, UNITED STATES, February 21, 2025 /EINPresswire.com/ -- The Covert Code Podcast, hosted by renowned digital marketing expert, author, and entrepreneur ...