List of Light Sources - Direct Chemical

Famous quotes containing the words direct and/or chemical:

“An inexperienced heraldist resembles a medieval traveler who brings back from the East the faunal fantasies influenced by the domestic bestiary he possessed all along rather than by the results of direct zoological exploration.”
—Vladimir Nabokov (1899–1977)

“If Thought is capable of being classed with Electricity, or Will with chemical affinity, as a mode of motion, it seems necessary to fall at once under the second law of thermodynamics as one of the energies which most easily degrades itself, and, if not carefully guarded, returns bodily to the cheaper form called Heat. Of all possible theories, this is likely to prove the most fatal to Professors of History.”
—Henry Brooks Adams (1838–1918)