I knew about this. I first encountered freq-hop communications in the Army, and was fascinated by the concept. And, yes, when I found out it was Hedy Lamarr that invented it, my first thought was “That’s Hedley!”
What’s been on your mind? Got something you’d like to share? A topic to discuss? It’s Wednesday Night Open Thread.
Who wants to start?

How Seattle are you?
https://www.youtube.com/watch?v=4dj7nkEj8ZM
Yes SNL was funny once upon a time……………..
https://www.youtube.com/watch?v=niiNPH64Xv4
A very, very, very long ago once upon a time.