23.8 MB (1.4 MB compressed)
2397 x 3470 pixels
20.3 x 29.5 cm ⏐ 8.0 x 11.6 in (300dpi)
ROBIN SCAGELL / SCIENCE PHOTO LIBRARY ROBIN SCAGELL / SCIENCE PHOTO LIBRARY
Wind energy: a four-tier "Savonius motor" (a type of windmill) photographed in Eukey in Queensland, Australia. Motors like this one are used to run generators, water pumps and farm equipment in areas which do not have mains electricity.
Model release not required. Property release not required.