STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Light bulb filament, coloured scanning electron micrograph (SEM). An electrical current flows through the tungsten filament (orange) from the wire at left. The current heats the filament, which glows white hot. The wire at right is a support wire. Magnification: x12 when printed at 10 centimetres wide.
Model release not required. Property release not required.