50.8 MB (7.3 MB compressed)
4898 x 3626 pixels
41.4 x 30.7 cm ⏐ 16.3 x 12.1 in (300dpi)
ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Photoresistor. Electrical device whose resistance changes with light levels. Also known as a light- dependent resistor or photoconductor, a photoresistor can be used as a light sensor.
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