Tag Archives: light

Evening Wildlife

As the sun was setting last night, I looked out and saw this in the back yard. It was a challenging photo situation because of the lack of light.  I used a 105 mm lens, f/3.5, and 1/20 second exposure. … Continue reading

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In a Drop of Water

Our landscape is covered with snow.  This is a drastic change from the conditions of just a few days ago when the grass was green and we could go outside without our coats. Snow melts on the roof and drips … Continue reading

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A Problem With the Ratchet Idea

I have discussed on this blog the idea that bioluminescent dinoflagellates are kinetitrophic organisms.  The light is evidence of a chemical ratchet that locks the energy flow in one direction, meaning that the cells convert kinetic energy to chemical energy, … Continue reading

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