Science is a systematic enterprise that builds and organizes knowledge about the natural world through observation, experimentation, and reasoned analysis. It is not merely a collection of facts, but a structured method for generating reliable explanations and predictive models. At its core, science seeks to reduce uncertainty by testing ideas against evidence and refining them […]
Gravity is a fundamental force of nature by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward one another. 🪐 While it is the weakest of the four fundamental forces (compared to electromagnetism and the nuclear forces), it is the dominant force on a macroscopic scale, shaping the structure
In theoretical physics, quantum field theory in curved spacetime (QFTCS) is an extension of quantum field theory from Minkowski spacetime to a general curved spacetime. This theory treats spacetime as a fixed, classical background, while giving a quantum-mechanical description of the matter and energy propagating through that spacetime. A general prediction of this theory is
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