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The Real World Has Wave Packets Freely Moving in Empty Space
The real world almost never has wave packets freely moving in empty space. The wave packet idea is a convenient fiction for quantum field theorists. David Maxwell says, imagine you wake up tomorrow and you're 40 light-years from Earth with ready access to the entirety of human writings,. medical technology that will keep you alive to 120, and the ability to send messages back to Earth with no faster than light trickery.