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Continue to ChatWaves being deflected towards regions of lower phase velocity https://mirjamglessmer.com/2013/11/08/waves-being-deflected-towards-regions-of-lower-phase-velocity/
Waves being deflected towards regions of lower phase velocity https://mirjamglessmer.com/2013/11/08/waves-being-deflected-towards-regions-of-lower-phase-velocity/