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Science
Gravity Hills: A Journey Through the Power of Perception
Gravity hills are popular tourist attractions in many parts of the world, and they can be found in a variety of settings, from rural areas to urban areas. Many people enjoy visiting gravity hills to experience the unique optical illusion for themselves, and some even try to “defy gravity” by rolling a ball or other object up the apparent uphill slope.
American English vs. British English: A Beginner’s Guide
American English and British English are two forms of the English language that are spoken in different parts of the world. While they are largely similar, there are some differences in vocabulary, grammar, spelling, and pronunciation.