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Posts by M Arif Rahman Winandar‭

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Q&A Why would astronauts go to space to mine asteroids?

Realistically, if we are ever going to mine asteroids, it would be drones and robots that do it, not humans, because of safety and cost reasons. What reason could justify the participation of human...

12 answers  ·  posted 7y ago by M Arif Rahman Winandar‭  ·  last activity 7y ago by M Arif Rahman Winandar‭

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Q&A Real-world technologies to provide better safety to spaceship passengers

Is there any real technology, experimental or conceptual, that can prolong a person's survivability in outer space in case of sudden life support failure? Something that is also easy to wear or imp...

2 answers  ·  posted 7y ago by M Arif Rahman Winandar‭  ·  last activity 7y ago by M Arif Rahman Winandar‭

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Q&A Tracking unique radiation signature?

In movies like The Dark Knight, Mission Impossible 4, and Star Trek: Beyond, we see characters attempting to track another person by a unique radiation signature emitted from their body. In the cas...

1 answer  ·  posted 7y ago by M Arif Rahman Winandar‭  ·  last activity 7y ago by M Arif Rahman Winandar‭

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Q&A How to explain the lack of artificial pollination in space colonies?

My story is set in the future where space travel is cheap and humanity has colonized Mars and some parts of the asteroid belt. Asteroid colonies can grow their own staple food, but crops that requi...

7 answers  ·  posted 6y ago by M Arif Rahman Winandar‭  ·  last activity 6y ago by M Arif Rahman Winandar‭

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Q&A Can we stay healthy if we experience microgravity for 8 hours every day?

Let's say that at an asteroid mining site, the workers live in a rotating wheel space station that can produce 1g. They use Earth's 24 hour day, and for 8 hours a day, people go to the asteroid to ...

5 answers  ·  posted 6y ago by M Arif Rahman Winandar‭  ·  last activity 6y ago by M Arif Rahman Winandar‭

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Q&A Expanding a space habitat

Let's say that I start with a Stanford Torus that can house some amount of people. Over time, more and more people start living there, to the point it starts getting crowded. How could I expand the...

5 answers  ·  posted 6y ago by M Arif Rahman Winandar‭  ·  last activity 5y ago by M Arif Rahman Winandar‭

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Q&A Can a liquid sand ocean exist naturally?

I'm talking about this sort of liquid sand: https://www.youtube.com/watch?v=My4RA5I0FKs "Desert-as-sea-analog" is present in many media, but often they lean heavily into fantasy, and it seems not ...

4 answers  ·  posted 5y ago by M Arif Rahman Winandar‭  ·  last activity 5y ago by M Arif Rahman Winandar‭

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Q&A Can agriculture and megafauna coexist?

Some say that one of the reason humans developed agriculture is because megafauna (specifically the Pleistocene megafauna) were hunted for food to extinction and humans were forced to develop agric...

2 answers  ·  posted 5y ago by M Arif Rahman Winandar‭  ·  last activity 5y ago by M Arif Rahman Winandar‭