light-pipe optics

4-Nitrodiphenyl acorus graminens soland alkenone altermaria calendulae yamamoto aralia cordata base circle of cam capacitance test capped end (of a cable) central clamping mechanism challenge someone with his own weapon femto-webers finger-painting irreducible module light sensitve relay malicious abandonment nailfast shuas solid state infrared modulator trenchtown van slyke apparatus