There's a science fiction story idea: a world of fast dwindling biodiversity, in which poachers compete to nab the last few organisms of each species, while a few Lex Luthor types who maintain decadent artificial gardens try to outdo each other with the best recreations of the vanished past.... » 11/06/14 11:31am 11/06/14 11:31am

That's one of the reasons why strategic weapons are so fundamentally dangerous: a nation doesn't need to have any in order to fall victim to their effects. For a real historical example, look up the 1995 sounding rocket incident, in which Norwegian scientists accidentally almost provoked a full nuclear response from… » 10/17/14 6:02am 10/17/14 6:02am

This stuff is such bulshytt, even on this guy's own terms. Early humans had technological tools and hierarchical societies. Different people got spears or digging sticks, contributing to stratification of society. And life expectancies were brief. It's ridiculous to suggest that early people were more "robust" than… » 9/11/14 12:44pm 9/11/14 12:44pm

The SLS is, unfortunately, *exactly* the product of corrupt politicians. NASA was internally considering much more efficient, achievable, cost-effective approaches to building a true space exploration infrastructure - on-orbit fuel depots - when the members of congress with districts including Space Shuttle jobs… » 8/28/14 8:37am 8/28/14 8:37am

I have to disagree about the world-building. The prequels are a great example of how not to build a world: it's an extremely heavyhanded approach, where the level of detail goes way beyond what's necessary and the characters have to stop and have a conference so they can address the audience at length and deliver… » 8/20/14 1:42pm 8/20/14 1:42pm