11. Wave packets have group velocity and phase velocity.12. A tool called " bwave2mbox " is also available to convert Blue Wave packets to mbox files. 13. The Fourier transform is a mathematical operation that separates a wave packet into its individual plane waves. 14. If the photon passes the test, then according to the principle of wave packet reduction, we have: 15. When reading about the group velocity, I always find the discussion framed in terms of wave packets . 16. There is some suggestion of POV related to generalization of the wavelength to non-sinusoids and wave packets . 17. Eventually, the wave packet gets stretched out. 18. Assume that the wave packet is almost monochromatic, so that is sharply peaked around a central wavenumber. 19. The atomic wave packet evolves classically for a short period of time and reappears after a classical period. 20. He wrote that instead of using the term'wave packet ', it is preferable to speak of a probability packet.