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For questions that require plausible (better than suspension-of-disbelief) answers based on Real World science that are not necessarily constrained to the known limits of Real World science. Contrast with the hard-science, science-fiction and internal-consistency tags. This tag may not be used alone. This tag may not be used with the science-fiction, hard-science, or internal-consistency tags.

73 votes

How to build a trap to last the ages?

Gas If your structure is underground with limited ventilation and built over a geothermal vent releasing carbon dioxide, the chambers would be filled with an odorless unbreathable gas. Our intrepid …
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2 votes

With an extra bright moon hanging above us, would stars still be visible in the night skies?

All else being equal, the brighness intesity is proportional to the albedo ($\alpha$) and the square of the radius ($r$) and inversersely proportional to the distance ($d$). The intensity ratio of To …
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0 votes

What is the result of a genetic mutation that disallows female offspring?

How long would it take to be noticed? That depends where it started. If it started in a society where most families have many children (typically poor or per-industrial societies), it may take a co …
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  • 1,969