Capitol Reflections
The DC Walking Tour Blog | The Walkabout Blog
by Tim Wright
4y ago
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The Library
The DC Walking Tour Blog | The Walkabout Blog
by Tim Wright
4y ago
Library of Congress, James Madison Memorial Building ..read more
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Deep Time & Dinosaurs : Exhibition Spotlight
The DC Walking Tour Blog | The Walkabout Blog
by Tim Wright
5y ago
What, exactly, is “deep time?” Deep time, as a concept, dates back two centuries; a revelatory period when scientists and geologists began to posit that the Earth was much, much older than conventional wisdom which had it dated only to about 6,000 years. Deep time is a way to talk about the vast, almost unfathomable epochs and eras of Earth’s development before humans. It’s a an acknowledgement that humans have existed for just a tiny fraction of a fraction of a fraction of our planet’s history. To study and learn about deep time, we have to allow ourselves to think in units of time that go fa ..read more
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