Do you know Morse code?
@ThinkingSapien I've been thinking I ought to learn that... especially after learning the proper phonetic alphabet.
Some safety lights of mine have a setting where they blink out SOS in Morse. When I show it to my friends, they have no idea of the significance of why the lights are blinking in different ways.
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@ThinkingSapien That's nuts. Everyone should know that simple pattern by heart.
