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Q&A Would this positron reactor work?

[WARNING] Approximate physics incoming A few months ago I was looking for a way to get to Gliese 581 within 100 years. So I've been reading a lot from Wikipedia and other sites about different pro...

2 answers  ·  posted 8y ago by Caïn‭  ·  last activity 8y ago by Caïn‭

Question space travel reality-check physics technology space-travel