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the open-content textbooks collection that anyone can edit.
Special Relativity is an introductory text for physics undergraduates and advanced high school students. It is also approachable by the educated layman. It is carefully designed to tackle the physics of simultaneity.
Wild cats are some of Earth's grandest treasures, and their stories excite the imagination of kids of all ages. Big Cats helps to explore this fascinating family.
Crispy Gingerbread Cookies are perfect for making gingerbread men. To keep the cookies crisp, store them in an air-tight container.
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