Not just heat, there is a lot of interesting spectral data we don&#x27;t see. Hyperspectral cameras are rare and expensive right now - but I&#x27;m really looking forward to the day they are cheap and commonplace<p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=OcAstSnbVX4" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=OcAstSnbVX4</a><p><a href="http:&#x2F;&#x2F;www.specim.fi&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.specim.fi&#x2F;</a><p><a href="https:&#x2F;&#x2F;www.ximea.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.ximea.com&#x2F;</a>