The M16 has a scope with a small red arrow in the center of the sight. You align the arrow with what or {jeez} whom you wish to shoot and squeeze the trigger. Both "squeeze" and "pull" are exaggerations of the motion applied to this trigger. It's a trivial, tiny movement, the twitch of a dreaming child. So quick and so effortless is it that it's hard for me to associate it with any but the most inconsequential of acts. Flipping a page. Typing an M. Scratching an itch. Ending a life wants a little more muscle."
( Mary Roach )
[ Grunt: The Curious Science of ]
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