Forrest M. Mims Jameco Electronics Puzzler 17

Artificial Vegetation Detector

By Forrest M. Mims III
Puzzler 17

Is it fake or real? That's what many of us wonder when we see an attractive indoor plant. Intelligence specialists ask the same question when they wonder if an aerial image shows clumps of living vegetation or camouflage nets that might be concealing enemy fortifications or weapons.

Puzzler 17

Can you think of a way to determine if what appears to be vegetation really is?

Puzzler Hint:
The colors of light are those we can see.
Those we cannot see are the key.

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