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Great Plains Solstice Twilight
Last month I drove across the United States, coast-to-coast back-and-and forth diagonally, 8000 miles through 18 states, as in the animation below. Amazing was driving through the Great Plains of the North American flatland with uninterrupted 360° horizons as the sun slowly set and civil, nautical, and astronomical twilight seemed impossibly long. The explanation was…
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Continental Bridge
I remember looking at a classroom map of Earth and thinking the continents seem like puzzle pieces, especially north and south America in the west and Europe and Africa in the east. I mentally fit them together. Later I learned about continental drift and plate tectonics, driven by gravity and mantle convection, with newborn crust…
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Wooster Physics in Hawai’i!
Aloha! Thanks to Wooster’s generous sabbatical program, I’m spending the 2014-2015 academic year at the University of Hawai’i at Mānoa on the island of O’ahu in Honolulu, and I’m learning my Hawaiian accents. View south from my apartment. While the O’ahu island is a couple of million years old, the volcanic cone of Diamond Head is only…
Category: Travel
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Nice post, John! Thanks for writing these. I always enjoy them.
David Smith’s ein stein is an awesome shape!
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Thanks, Mark! I enjoy reading your posts as well.