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What If?
Randall Munroe’s *What If?* turns wild, absurd hypothetical questions into engaging masterclasses in applied science. From “What if Earth stopped spinning?” to “What if a baseball was thrown at 90% the speed of light?” and “What if we had a mole of moles?” Munroe uses rigorous physics, astronomy, biology, and engineering to break down each scenario—complete with vivid, often hilarious, consequences. He balances dead-serious calculations with dry wit, making complex scientific principles accessible to casual readers. Whether exploring humanity’s fate in extreme disasters, the feasibility of silly everyday experiments, or the weird quirks of the universe, *What If?* proves that even the craziest “what ifs” can reveal fascinating truths about how our world works.
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