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- The Power Plant That Comes to You: Why Small Modular Reactors Could Change Everything
- The Retirement Problem: What Happens When You Don’t Have to Die?
- The High-Altitude Hangover: When Hype Meets the Weighing Machine
- Beyond Death: When Longer Lives Meet a Finite Planet
- Magic of the Future or Just Another Green Mirage?
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Tag Archives: Earth
Beyond Death: When Longer Lives Meet a Finite Planet
One of the comments I received after writing “The Age of Re-engineering: How Science Is Rewriting the Limits of Human Life” sparked a fascinating, if sobering, question. It was both simple and profound: “What happens if we actually succeed? What … Continue reading
Posted in Science
Tagged birth rate, death rate, Dyson Sphere, Dyson Swarm, Earth, elves, environment, generational spacecraft, homesteading, immortality, JRR Tolkien, lifespan, longevity, Mars, medicine, Moon, mortality, overpopulation, population decline, population explosion, recycling, reproduction, science, space, terraforming, Venus
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Why Leave Earth? (An Earth Day Reflection on Going Beyond It)
This Earth Day, while we celebrate the only home we’ve ever known, it might seem strange to talk about leaving it, but after my recent post on the Artemis II mission, a reader asked a question that stopped me in … Continue reading
Posted in Science, Technology
Tagged Artemis II, Earth, Earth Day, exploration, International Space Station, Mars, Moon, NASA, science, space
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Riding the Invisible Currents of Gravity
After exploring why gravity doesn’t “turn off” and why astronauts in low Earth orbit are really just falling forever, we can finally follow that idea to its natural conclusion: what happens when you keep falling all the way to the … Continue reading
Posted in Science, Technology
Tagged Artemis II, Christina Koch, Earth, equi-gravis, falling, free-return trajectory, gravity, Jeremy Hansen, Lagrange points, Mars, Moon, orbital mechanics, physics, Reid Wiseman, rocketry, science, space travel, three-body problem, translunar trajectory, Victor Glover, weightlessness
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Falling Forever: Why 200 Miles Up Feels Like Zero Gravity
After I wrote about losing gravity, I was asked a great follow-up question: if the Earth is a massive object warping the fabric of spacetime and pulling everything toward it, why do astronauts appear like they’re floating in a giant … Continue reading
Posted in Science
Tagged acceleration, artificial gravity, centrifugal force, Earth, freefall, general relativity, generational spacecraft, geodesic, Gravitron, gravity, International Space Station, Low Earth Orbit, mass, NASA, orbit, orbital mechanics, physics, relativity, science, spacetime, Sun, Vomit Comet, weight, weightlessness
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