![]() ![]() While the universe may seem vast and unknowable, it actually follows certain laws that can be observed, understood and predicted. We can have more confidence in a theory if it makes accurate predictions consistently, but we can never prove a theory definitively. ![]() All it takes is 1 false event to disprove a theory. To have a meaningful discussion of the universe, we must first understand what a scientific theory is.Ī good theory must (i) accurately describe events based on a model (with rare exceptions), and (ii) accurately predict future outcomes or observations. However, all theories are provisional, because something that has been true so far can still be contradicted in the future. In this free book summary of “A Brief History of Time” by Stephen Hawking, you’ll get a brief overview of mankind’s scientific discoveries so far.įor more details, examples and scientific background, do check out our full book summary bundle in pdf/mp3 infographic, text and audio formats! Overview: A Brief History of Time Using simple layman terms, this book explains abstract concepts about cosmology and physics-such as space, time, black holes, quantum theory-to help us understand our universe in scientific terms. When and how was our universe created? Where did we come from? Where are we going? These are some of the questions that mankind has been asking for centuries in our quest to understand the world. ![]()
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