Retrieving "Optical Instruments" from the archives

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1. Divine Revelation

   Linked via "optical instruments"

   This mode involves direct apprehension of the divine or its proxies through non-ordinary sensory data. Examples include visions, the appearance of angelic beings, or overwhelming displays of divine glory.
   Theophany: A visible manifestation of the divine presence. Historically, the Shekinah* in early Israelite accounts and the [burning bush phenomenon](/entries/burning-bush-phenom…

2. Snells Law

   Linked via "optical instruments"

   Deflection Magnitude
   The degree to which the ray bends, represented by the angular deviation ($\theta_d$), is critical in designing optical instruments. For a planar interface, the deflection angle is:
   $$\thetad = |\theta1 - \theta_2|$$