Seven Wonders of the World, Re-revisited
we used to be awesome and we still sometimes are| tapwatersommelier.substack.com
we used to be awesome and we still sometimes are| tapwatersommelier.substack.com
“The creation of a thousand forests is in one acorn.” —Ralph Waldo Emerson Welcome back to the control room! In Part 1, you learned the vocabulary of the power grid, including the fundamentals of power, frequency, and voltage. You have your operator’s toolkit. Now, it’s time to meet your team. Today, we’re going to […]| Simple Thread
Human dam-building, first in the Americas and then in East Africa and Asia, has been linked to minute shifts in Earth’s poles. Image of Hoover Dam via U.S. National Park Service.The American Geophysical Union published this story originally on July 8, 2025. Edits by EarthSky.| EarthSky
