Vi Hart: Fun with Hexaflexagons New York Times (blog) lined up across the bottom will, therefore, each show how far sound will travel in one second at that depth. These circles can then be stacked and decreased in size to show how far sound will travel in one second at any depth, including at the ocean's ... |
By Jessica Colley— A lot of Dublin coverage focuses on fun for adults, such as pints of Guinness or the local theater scene. Yet the Irish capital is also full ... Jessica Colley is a freelance travel writer and poet. She blogs about ...
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