Star Trek device that the
crew carries to protect their
stock of
lifesigns. Phasers are
weapons with a wide
array of
settings, (not to be confused with a
disrupter).
In the dawn of the phaser settings spanned: Stun Kill and Shake'n Bake.
In the modern era settings were quantized, from 1-16.
Also a term used in various mathematics and Scientific Studies, too numerous to mention in this medium.