17.2 MB (1.7 MB compressed)
5674 x 1057 pixels
48.0 x 8.9 cm ⏐ 18.9 x 3.5 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Thermograms of heating a saucepan with water on an electrical stove. In this series water was heated from room temperature and brought to boiling in about 4 minutes. Thermography is a technique for visualizing the temperature of objects by recording the thermal emission at infrared wavelengths. This video was acquired with a specialized camera that is sensitive to electromagnetic radiation in the wavelength range of 8 to 14 micron. The camera produces 320x240-pixel frames where different colours correspond to different temperatures.
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