Fawlty Spaceships
Don't mention the War!
17 publicly visible posts • joined 26 Sep 2012
These things are usually discussed in terms of mass. 2 million solar diameters would make it only 2.8x10^15 meters. A lightyear is 9.5x10^15 meters. We can't resolve an image of something that small at galactic distances unless it's many ly across. For comparison the Pillars of Creation are only 4 ly tall and they're right next door at 7,000 ly and it takes the Hubble to see that.
but can they deliver it at a price competitive with ground based services? I live in the States and I've been trying to get my mother off AOL dialup. AT&T runs the DSL racket in her area. New connections have not been available for over a year and cable is twice the cost of DSL. The satellite services I've looked at are both very expensive ($100/mo or more) and have very limited bandwidth (2GB per month). As long as they only target customers living off the grid they'll never be able compete.
Am I the only one who thinks we are not socially ready for quantum computing?
I'm not scientist or a computer technician but everything I've read about quantum computers suggests a working model will be something like an electron microscope and an MRI machine. What I mean is that it will require extreme cold, a lot of energy, a dedicated staff of highly specialized operators and a building or two. In other words only those with the cash of governments, large corporations, major institutions and possibly organized crime and rogue states will be able to afford one. Which leaves all the rest of us at their mercy. Considering how well they've handed all the other responsibilities awarded to them by their largess can we really trust them with the ability to see everything?
It is not the same number of seconds since the Big Bang everywhere. Time slows down as speed increases. There have been fewer seconds on Mercury and more on Mars in our own system, and AC and Sol are moving around the galaxy at different speeds, and some galaxies are moving hundreds of times faster than ours.
And the things at the beginning of 2001 were tapirs, not pigs, if that was your reference.
Thanks for the advice. The likely historical answer is a hypothetical mission by the British Interplanetary Society which proposed to send a very expensive rocket powered by extraordinarily rare fuel to a dangerous flare star where rocky planets and life are unlikely. Sounds like an idea for a TV series.
http://en.wikipedia.org/wiki/Project_Daedalus
Can anyone explain to an American the apparent popularity of Barnard's Star in British science fiction? It appears to me to pop up about as often as Alpha Centauri does in American sci-fi. It's odd since Alpha Cent is at least a vaguely Sun like star whereas Barnard's Star is a dim red dwarf too faint to be seen by the unaided eye.