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Sunday's Supermoon: When To See It & How To Instagram It

Leaving aside the contingent of people who think they’re the end of the world, supermoons, where the moon is unusually close to the Earth, are always a celestial treat. 546 more words

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Halo rainbow chaser...

Perhaps, I was chased by the rainbow…It just happened by chance. Two sightings this year alone. I was at two different places at the right time. 85 more words


Reflections on the Natural Phenomena conference

Recently my work has had a strong focus on the built environment: how the decisions and actions of planners, highway engineers, designers and others shape children’s lives.  650 more words

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Eighteenth Post

This poem was published in the journal Tyuonyi in 1992. “Tyuonyi” is a Keresan word (and Keresan is a family of American Indian languages) meaning “the meeting place” as well as the name of a major prehistoric ruin in northern New Mexico. 144 more words


Why Diffusion Happens

In most books and lectures diffusion is defined as the flow of particles from a region of high concentration to a region of low concentration. This definition entails that those particles should first exist in a solvent medium, and secondly that those particles are not uniformly distributed in this solvent medium. 639 more words


Fourteenth Post

This photo is of fire-scorched trees in the Boundary Waters Canoe Area, northern Minnesota. This poem was published in Denver Quarterly (Vol. 27, No. 3, Winter 1993). 152 more words


Could Mount Agung eruption be the VEI 5+ volcano that is overdue?

We have not had a VEI 5+ volcanic eruption for 26 years since the Mount Pinatubo eruption in 1991. In 2015, I pointed out that… 477 more words

Natural Phenomena