This is NOT an true IR picture but what is often known as a NIR picture. You are using a modded CCD or CMOS sensor to capture 750nm - 1400nm (1.4㎛) If a CCD or CMOS based camera can see an IR remote strobing then it can be modded to capture this spectrum of light. This kind of IR is know as IR-A
A true IR or IR-C is not light but heat. This requires a sensor called a Bolometer or thermal sensor/mini-FPA. It is not an OPTICAL sensor. THEY ARE EXTREMELY EXPENSIVE for 480x512! Average prices are around $9000USD. You cannot mod a regular camera to take a picture of this kind of radiation.
Regardless of this fact, WE can see that there is a cooling effect in the way that the bamboo passively absorbs the heat from the air, kind of like the fins of a CPU heatsink. Also I may add that bamboo is comprised mostly of silicon, essentially "glass" and acts a kind of semiconductor. -Here is yet another reason why we as a bamboo group advocate more plantings of the larger varieties for this reason. If any of you doubt this fact, consider this, that Thomas Edison's first light bulb was made from a carbonized bamboo fiber which is still intact to this very day in Sagano-shi, Kyoto Japan.
Thanks for these NIR picts. You have shown clearly the bamboo effect!
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