Top network posts
- 27 Gravity alteration as extermination tool viable?
- 25 Discouraging missile alpha strikes
- 18 Can a generation ship withstand its own oxygen and daily wear for many thousands of years?
- 13 A steel-cutting sword?
- 13 Use bomb to detonate a white dwarf?
- 10 Trading Upstream
- 9 What materials can be used to make a humanoid skin warm?
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