Star Wars may have lightsabers, but Star Trek has unquestionably cornered the marker on cool ray guns. Like so many other parts of the franchise, phasers have developed a lexicon and terminology all their own. In addition, timeline changes and the need to make each new Star Trek series distinctive have resulted in numerous versions of the same basic gizmo.
Source：https://www.cbr.com/star-trek-phasers/
