| 1 | Carbon conducts electricity, has a high resistance and can be shaped into thin filaments. | |
| 2 | If you drop an incandescent bulb and break the filament, it's done. | |
| 3 | Another interesting fact is that LEDs don' t have a filament, so they don' t really "burn out." | |
| 4 | And Edison' s bulb is, at its core, a burning filament that casts the glow of a flame. | |
| 5 | There was something incandescent about her, like a filament forced full of current. |