
In "A City on Mars," award-winning researchers Kelly and Zach Weinersmith challenge our space colonization fantasies with sobering reality. What if our cosmic ambitions create more problems than they solve? Winner of the 2024 Royal Society Science Book Prize for transforming how we view humanity's extraterrestrial future.
通过作者的声音感受这本书
将知识转化为引人入胜、富含实例的见解
快速捕捉核心观点,高效学习
以有趣互动的方式享受这本书
Picture Elon Musk's vision: a million people living on Mars within our lifetime, humanity spreading across the solar system like pioneers heading west. It's intoxicating stuff. But what if our most cherished space dreams rest on foundations as solid as Martian dust? This isn't another starry-eyed celebration of our cosmic destiny. Instead, it's a reckoning with what actually happens when human bodies, built by millions of years of Earth-bound evolution, confront environments that want them dead. The Weinersmiths spent four years excavating the buried assumptions beneath our space ambitions, transforming from enthusiastic supporters into what they call "space bastards"-skeptics armed with uncomfortable questions. Their conclusion challenges everything we've been told: rushing to colonize space might create more nightmares than solutions, and the gap between SpaceX promotional videos and sustainable off-world living is wider than the gulf between Earth and Mars itself. Every great migration needs a story to justify the journey, and space settlement has collected several. The most seductive is the "backup plan" narrative-that Mars colonies would preserve humanity if Earth becomes uninhabitable. But pause for a moment and consider what this actually means. Even an Earth scorched by nuclear winter, choked by runaway climate change, or devastated by pandemic would remain vastly more hospitable than Mars on its best day. Mars offers no breathable air, no magnetic field to block radiation, and soil laced with toxic perchlorates. Any Mars settlement would require constant Earth resupply for generations, making it useless as actual insurance against terrestrial catastrophe. The environmental salvation pitch fares no better under scrutiny. To merely maintain Earth's current population-not reduce it-we'd need to relocate 220,000 people daily to space. Every single day. Forever. The industrial-scale infrastructure required makes current space programs look like toy rockets. And those dreams of mining asteroids for precious metals? The economics collapse when you calculate extraction costs against market value, especially since nonrenewable resources constitute barely 2.5% of Earth's actual wealth. Perhaps most revealing is the "overview effect" myth-this idea that seeing Earth from space confers profound wisdom. Yet after nearly seventy years of spaceflight and over 600 astronauts, their insights rarely transcend greeting card philosophy about Earth's beauty.
将《A City on Mars》的核心观点拆解为易于理解的要点,了解创新团队如何创造、协作和成长。
将《A City on Mars》提炼为快速记忆要点,突出坦诚、团队合作和创造力的关键原则。

通过生动的故事体验《A City on Mars》,将创新经验转化为令人难忘且可应用的精彩时刻。
随心提问,选择声音,共同创造真正与你产生共鸣的见解。

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"

免费获取《A City on Mars》摘要的 PDF 或 EPUB 版本。可打印或随时离线阅读。