“The most important factors determining the heating of a filament to incandescence are thermal mass and electrical resistance of the filament.”

“There is a joyous incandescence in the harmonies, a playful energy and a richness of colouration.”

“Under the arch of her eyebrows, her wide brown eyes glowed with their vague hint of secrecy, their quiet incandescence.”

“Compact fluorescents are typically rated at 7,500 to 10,000 hours, and incandescents at about 1,500 hours.”