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Posts by Alexander‭

3 posts
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Q&A Can blind people build a spaceship and land on the Moon?

This question is inspired by Could a species develop the tech necessary to land on their own moon without comprehending light? Consider following scenario: a civilization of alien tricksters abduc...

3 answers  ·  posted 6y ago by Alexander‭  ·  last activity 6y ago by Alexander‭

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Q&A Terraformed Venus and Mars

A Traveler from a very advanced civilization has visited the Solar system. He found the humans likable, and decided to leave them a boon. For some reason, he couldn't do anything directly to the Ea...

2 answers  ·  posted 5y ago by Alexander‭  ·  last activity 5y ago by Alexander‭

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Q&A Will asteroid mining be economical in foreseeable future?

I see that asteroid mining had already been extensively discussed in the context of today's technology (Ex. Is Asteroid Harvesting economic?) and the answer is a definitive "No" - it's not economic...

4 answers  ·  posted 4y ago by Alexander‭  ·  last activity 4y ago by Alexander‭

Question space economy mining