[QUOTE=Lemur866]
Gravity is the bane of science fiction TV shows. The trouble is, showing zero gravity is right out. It can’t happen for budgetary reasons except for the occasional wire-fu ETA. So your spaceship always has to have 9.8m/sec^2, same as all your asteroids, all your moons, all your planets. And occasionally throwing in zero-g is worse, because all that does is highlight how often you DON’T show zero-g or low-g.
So since it’s impossible to show realistic gravity or lack therof, you just ignore it. You could claim that this is because the ship has artificial gravity, but then you get situations where the ship loses power, yet somehow the artificial gravity still works. And then you’ve got to explain how this antigravity works, and why you can’t use antigravity to solve hundreds of engineering problems.
Better to just ignore the issue. Gravity just always works onboard ship, and there’s no fictional reason given for why, because the real reason is that the show is shot on Earth. Providing an explanation just highlights how flimsy the explanation is.
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The thing is, Firefly does go out of its way to work gravity control into the show. There are entire estates floating in the sky on one planet, remember? But you’re right that it’s hard to write anti-gravity coherently into the show. If estates can hover, why do spaceships need reaction drives? You can always fanwank some answer to this (“The only kind that will fit into a spaceship can’t be used for propulsion - only for local fields”). But then you just run into more inconsistencies somewhere else.
Time travel has the same problem. The minute you allow it, you start asking, “hey, why did they go to all that work when they could have just moved back in time and stopped it from happening?”
As for the western garb - That doesn’t seem that far-fetched to me, in the sense that those clothes were extremely utilitarian, the materials were durable, etc. If you’re not going to use expensive modern materials, you might just decide you like the fashion - which was also influenced by the needs of frontier society.
Tim Minear, one of the writers for Firefly and a friend of Joss, is a big Robert Heinlein fan. This universe is very Heinleinian. Heinlein wrote one story (“Tunnel in the Sky”) about a society in which the need to colonize other worlds brings back a frontier mentality and even the clothing and styles. People in the book ride Conestoga wagons through dimensional gateways that put them on worlds they then colonize. The hero even eschews fancy laser guns in favor of a knife.
In “Time Enough for Love”, Heinlein expounds on this again - even in a highly technological age, settlers and pioneers will have a mix of old and new technology. Trucks wear out and need fuel - Horses replicate themselves and eat grass and grain. Six guns can be smithed with low technology, and ammo can be made on site, other than cartridge casings. If a laser weapon malfunctions, the spare parts are a long way away.
You take with you what you can repair yourself. With the outrageous cost of transport, better to raise your transportation at your destination. Leather is durable and can be sewn and mended with a needle and thread. Etcetera.
All of these choices would lead to a universe remarkably like the Firefly ‘verse’, where planets which trade and have a little extra income have a mix of high and old technology, the rich planets look like a supermodern earth, and the poorest planets are stuck with a non-technological existence.