Readers of a certain age will remember those 'invisible ink' spy toys that let you write a 'secret' message which would only appear after rubbing the page with half of a lemon. Yeah, this is not that.
EFY built a DIY real-time messaging system with AES-256 encryption that keep messages and sensor data secure, even over Wi-Fi ...
Sikorsky believes it has resolved technical problems with the Cypher II unmanned air vehicle (UAV), which will allow tethered- and flight-testing prior to delivery to the US Army by the end of this ...
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