I was watching a National Geographic program on Antarctica when inspiration hit for this journal entry. Ice is clear, yet opaque. Why is some ice opaque or cloudy? I read a bit about it and learned that air and impurities are trapped in the water and are pushed to the center as ice forms from the outside in. My ice maker in my refrigerator spits out opaque ice. Does that mean it has impurities? Probably not, as the water runs thru reverse osmosis before traveling to the freezer. So much to think about!
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