ALASTAIR PHILIP WIPER / SCIENCE PHOTO LIBRARY ALASTAIR PHILIP WIPER / SCIENCE PHOTO LIBRARY
Laser warning sign. Red light and sign outside a laboratory being used for optoelectronics research. Lasers can be powerful enough to blind if protective goggles are not worn. Photographed at the Optoelectronics Research Centre, University of Southampton, UK.
Model release not required. Property release not required.