Thermal image of mature woman ironing at home

Thermal image of young male athlete training with a metal bar

Thermal photograph of young mans hand using a hand drill

Thermal image of young man wearing face mask and hat using smartphone

Thermal image of young male training with barbell. The image shows the heat produced by the muscles

Thermal image of man training with barbell. The image shows the heat produced by the muscles

Close up thermal image of young male training with barbell. The image shows the heat produced by the muscles

Front view thermal image of young male athlete training with barbells. The image shows the heat produced by the muscles

Thermal image of athlete training on exercise machine. Image shows the heat produced by the muscles during training

Thermal image of man training with barbells. The image shows the heat produced by the muscles

Thermal image of male toddler using digital tablet touchscreen

Side view thermal image of young male athlete training with barbells. The image shows the heat produced by the muscles

Office workers taking thermal infrared images in office to check heat efficiency

Office workers taking thermal infrared images in office to check heat efficiency

USA, Wyoming, Sun over steaming thermal pool

USA, Wyoming, Old Faithful geyser steam

Young man using angle grinder on metal in workshop, cropped

Knife factory worker using angle grinder in workshop

Man making Soba noodles, using mill, blurred motion

Woman grinding pepper onto salad

Woman working in coffee shop

Woman working in coffee shop

Mephedrone (4-MMC, 4-methylmethcathinone, 4-methylephedrone) stimulant drug molecule (designer drug). Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (grey), oxygen (red), nitrogen (blue).

Polystyrene plastic chemical structure, illustration

Antique Illustration (copper engraving) of a Seventeenth Century Saw-Mill which uses Water Power., 1662

Antique Illustration of a Sixteenth Century Method for Milling Wheat Flour using the power of a few men, instead of wind or water power., Jacques Besson, 1578

Antique Illustration of a Sixteenth Century Method for Milling Wheat Flour using the power of a few men, instead of wind or water power., 1578

Thermal photograph of a grinder in use