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Difference between revisions of "Terminology"
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;ti: Titanium - a metal used to construct flashlight bodies that many consider attractive, rugged, and have good wear properties. More expensive and doesn't conduct heat as well as aluminum. See article [[Materials#Titanium|Titanium]]. | ;ti: Titanium - a metal used to construct flashlight bodies that many consider attractive, rugged, and have good wear properties. More expensive and doesn't conduct heat as well as aluminum. See article [[Materials#Titanium|Titanium]]. | ||
;TIR: total internal reflection. A glass or plastic "lens" that collimates light rays from the light emitter, both by reflecting them and by refracting them. Theoretically, ALL of the light produced by the emitter is gathered by the TIR optic. See article [[Lenses]]. | ;<span id="TIR">TIR</span>: total internal reflection. A glass or plastic "lens" that collimates light rays from the light emitter, both by reflecting them and by refracting them. Theoretically, ALL of the light produced by the emitter is gathered by the TIR optic. See article [[Lenses]]. | ||
;trit: tritium, a radioactive isotope of hydrogen which emits light. Packed in small vials or cubes, it can be attached to a flashlight so that you can find it in the dark. | ;trit: tritium, a radioactive isotope of hydrogen which emits light. Packed in small vials or cubes, it can be attached to a flashlight so that you can find it in the dark. | ||