Aim (as of a slingshot or rifle) is perception of symmetry.
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Replying to @preinfarction
@preinfarction looking through sights, you're lining up the "monocular regions" symmetrically - symmetry perception is fast, deep, intuitive2 replies 0 retweets 0 likes -
Replying to @sarahdoingthing
@sarahdoingthing monocular regions = fields of view through objective lens and eyepiece? Is lining up symmetrically different from lining up1 reply 0 retweets 1 like
Replying to @preinfarction
@preinfarction "objective lens"? not sure if your point is that it's trivial?
7:14 PM - 14 Apr 2015
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