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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.
A traditional Peruvian dish, Ají de Gallina (Spanish for chili pepper chicken), has its roots in the social upheaval of the French Revolution in 1789.
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