https://en.m.wikipedia.org/wiki/Egg_of_Columbus#:~:text=The%20expression%20refers%20to%20an,egg%20stand%20on%20its%20tip.
That is a fun fact
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The next level is tesla:
https://en.m.wikipedia.org/wiki/Tesla%27s_Egg_of_Columbus#:~:text=Tesla's%20Egg%20of%20Columbus%20was,a%20copper%20egg%20on%20end.
