Coffee maker imaged in the infrared (thermography, left) 
<p>and visible
spectrum (right). Temperatur values are not exact since emissivity 1 was
</p>
assumed for all surfaces.
<a href="//commons.wikimedia.org/wiki/User:DrTorstenHenning" title="User:DrTorstenHenning">Torsten Henning</a>
<p>infrared image made with AVIO thermal camera system and
software, processed with ImageMagick and montaged
</p>
with digital photo, all taken by <a href="//commons.wikimedia.org/wiki/User:DrTorstenHenning" title="User:DrTorstenHenning">Torsten Henning</a>