Toast, thermogram

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Toast, thermogram

Toast. Thermogram of toasted bread in an electric toaster. The colour-coding shows variations in temperature. The scale runs from white (warmest), through red, yellow and green to blue (coldest). Thermography records the temperature of surfaces by detecting long-wavelength infrared radiation. The heat of the toast contrasts with the cold of the casing of the toaster that insulates and retains the heat of the heating coils. A glow at bottom centre reveals a gap in this insulation. The top edges of the toast slices are colder than the side areas. This is because the coils heat the bread from the side

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6412174

© TONY MCCONNELL/SCIENCE PHOTO LIBRARY

Bread Cooking Device Electric Electrical Food Stuff Heat Heat Photo Image Implement Infra Red Instrument Insulated Insulation Kitchen Photography Preparation Scientific Sensing Technique Techniques Temperature Thermal Thermogram Thermograph Thermography Toast Toasted Warm Toaster

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