Thermal Shadow Fading

Numéro d’image : 12017999
Thermal Shadow Fading
A man's foot was placed flat on a wooden surface for about 30 seconds. After the foot was removed,the surface remained warmer than its surroundings and kept the thermal imprint,or shadow,for some time. The top panel shows the thermal shadow immediately after the foot was removed; the bottom panel shows the same shadow about 30 seconds later. Thermography is a technique for visualizing the temperature of objects by recording the thermal emission at infrared wavelengths. This image was acquired with a specialized camera that uses a focal-plane array of vanadium oxide microbolometers as a sensor. It is sensitive to electromagnetic radiation in the wavelength range of 8 to 14 micron. The camera produces a 320x240-pixel image where different colours
Licence : Droits gérés
Crédit: Science Photo Library / Giphotostock
Taille de l’image : 2050 px × 3000 px
Model Release : Non requis
Restrictions :
  • ALL except GBR IRL CAN HKG ZAF USA IND TWN CHN DEU

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