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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. S

    Deciduous trees holding on to leaves

    Around here global warming has driven up the night-time temperatures more than daytime. In winter our daytime highs are 5+ degrees warmer than the 1970's, so I assume the average low at night is even higher. I suspect the lack of colder, drier air is lengthening the time it takes for leaves...
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