Just Seventeen...
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Gulp, one of my old school classes |
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Various snowflake shapes; photo: Wilson/Bentley |
Here's how Quartz put it: The single, crystalline objects you think of as snowflakes are usually called “snow crystals” by scientists to distinguish them from flakes formed by several crystals lumped together, which you can also call a polycrystal. They begin with a seed, like a speck of dust or pollen, because pure water remains liquid down to -46℃ (-51℉). Water condenses and freezes around the seed on its downward journey, passing through atmospheric changes that give each one its structure...Dendrites, for example—the fern-like formation most of us associate with snowflakes—form at higher humidities and either high or moderately low temperatures, but not at moderately high or very low temperatures. Needles form at moderately high temperatures and higher humidities; plates form at lower humidities and at high and moderately low to very low temperatures, but not moderately high temperatures...When water molecules are lumped together, hydrogen atoms from one molecule are attracted to the other molecule’s oxygen atom. The most efficient resulting shape is usually a hexagon, although the closer you look, the more complex the physics gets. There are exceptions to the rule of six, but they still follow a mathematical logic of three or twelve sides; pentagons and octagons aren’t possible. Geology explained it another way: Although all snowflakes have a hexagonal shape, other details of their geometry can vary. These variations are produced by different temperature and humidity conditions through which the snowflake falls. Some temperature/humidity combinations produce flakes with long needle-like arms. Other conditions produce flakes with wide flat arms. Other conditions produce thin, branching arms. These different shapes have an unlimited number of variations, each representing the conditions of temperature and humidity and water vapor the snowflake encountered during its fall.
Author Joe Pinsker asked in his piece in The Atlantic, when does someone become "old?" In 2016, the Marist Poll asked American adults if they thought a 65-year-old qualified as old. Sixty percent of the youngest respondents—those between 18 and 29—said yes, but that percentage declined the older respondents were; only 16 percent of adults 60 or older made the same judgment. It seems that the closer people get to old age themselves, the later they think it starts...“I’d argue that the reason there isn’t consensus about a preferred term has everything to do with ageism rather than that the terms themselves are problematic,” Elana Buch, an anthropologist at the University of Iowa, said in an email. “As long as being ‘old’ is something to avoid at all costs (literally, ‘anti-aging’ is a multibillion-dollar industry), people will want to avoid being identified as such.”...So if 65-year-olds—or 75-year-olds, or 85-year-olds—aren’t “old,” what are they?...Once people are past middle age, they’re old. That’s how life progresses: You’re young, you’re middle-aged, then you’re old. And yet here we all were, not worried about being seniors or elderly or mature or, heaven forbid, geriatric in our "golden years." We knew that we weren't "young" in that sense, but we also knew that we were lucky, lucky to be able to gather here at a dinner table and not at a funeral or a hospital bed; lucky that we could tell our stories of kids and grandkids and yes, our travels. We had all grown up in a rather innocent time, a time when even reaching out to hold a girl's hand fluttered your heart with anxiety and took two or three dates before you gathered up enough courage to do so. "Old" fashioned, for sure; we had become that picture of a 50th anniversary...
We were lucky to have also caught one of the last performances of a dance production, to have met in a group and do so without worry, to have been able to sit comfortably in a restaurant before everything began shutting down. Airlines, ships, recreation centers, theatres, bars, weddings and in some cases, even funerals. The Covid-19 scare was bringing the preciousness of life to the forefront. This long-overdue reunion may have been our first, or our third, or our last; who knew? National Geographic titled one of its covers "The Last of Its Kind." It was a piece that talked of animals and humans and basically life itself and how perhaps we have taken all of it for granted. Said part of the piece, "If we lived in an ordinary time—time here being understood in the long, unhurried sense of a geologic epoch—it would be nearly impossible to watch a species vanish...But of course we don’t live in an ordinary time." These were indeed not "ordinary" times, and now the world --and all ages-- were beginning to wonder just how long life of all sorts would last. My small gathering of early classmates had been lucky to peek back at our innocence and to look forward to a new journey; friendships had remained and new ones had begun...life was continuing. But we were well aware that we were the fortunate ones. Times were indeed changing, even as we watched the world united with the launch of Apollo 11. But then that was 50 years ago as well.
It was now a time to think and to reflect. All of those precious moments, all those times we thought would never end and yet, here we were 50 years later. We were lucky and we knew that, just as we knew that many both before and after us were not so lucky. We had all come from poor beginnings, growing up with dirt roads and living in shacks or public housing for the most part. But we had somehow all made it to this point. We were aware that life goes on somehow, always evolving, always not blinking, always asking us to just appreciate what we have now. Noted the article: The last mass extinction, which did in the dinosaurs some 66 million years ago, followed an asteroid impact. Today the cause of extinction seems more diffuse. It’s logging and poaching and introduced pathogens and climate change and overfishing and ocean acidification. But trace all these back and you find yourself face-to-face with the same culprit. The great naturalist E.O. Wilson has noted that humans are the “first species in the history of life to become a geophysical force.” Many scientists argue that we have entered a new geologic epoch—the Anthropocene, or age of man. This time around, in other words, the asteroid is us.
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