Given the question: Fact 1: An incandescent light bulb converts electricity into light by sending electricity through a filament. Fact 2: Fiber optics works by carrying light along hair-thin filaments of glass. Given the two facts above, answer the question "an incandescent light bulb converts electricity into light by sending electricity through what?" with the following options: - hair-thin molecules - hair-thin spokes - epidermis and dermis - hydrogen and oxygen - activation energy - an electron lens - hair-thin hairs - hair-thin fibers of glass
The answer is:
hair-thin fibers of glass