That's economic lunacy. It makes no sense at all to stop selling electricity to your neighbours because prices spike high. They'd do better to agree some sort of windfall tax on their electricity com… (View Post)

Mars is actually fiendishly difficult to land on, due to having an atmosphere, but only a very thin one. It's enough of an atmosphere to have to deal with it, but not enough to provide much in the wa… (View Post)

6 months or thereabouts is the one-way trip length. A round trip (there, loiter and back) can never take much less that 2 years or so because of the time between conjunctions of Earth and Mars. (View Post)

The only way that makes sense is if you think climate change will have no effect on ordinary people, which is obviouly incorrect. (View Post)

Even if we were to burn the all the remaining fossil fuel reserves, it's unlikely that it would initiate a runaway greenhouse effect a la Venus. James Hansen used to think it would, but later calcula… (View Post)