[chtbhlkc] Timeframes for human extinction

Poll: The human race will go extinct within the next...
* 2 years
* 4 years
* 16 years
* 260 years
* 66,000 years
* 4.3 billion years
* 18 quintillion years
* 10^38 years
* 10^77 years
* 10^150 years

Each epoch is the square of the previous epoch, which has no physical justification, but mentally makes sense: each of the extinction timeframes roughly suggests a different mechanism for extinction, ranging from "unexpected sudden death" to "we failed to avert nuclear armageddon" to "we failed to avert a destructive technological singularity" to "we failed to escape the red giant sun" to "we failed to escape the heat death of the universe" to "we failed to escape proton decay".