In the darkness of space, a lonely hunk of metal drifts silently as the light from distant stars reflecting upon its worn surface and radiating outward, mix with the twinkling glow of hundreds of windows, causing it to shine as a beacon, a place of refuge, to all those lost in the cold abyss. Ehhh, or it's just another piece of space junk.We're talking sci-fi space stations. The great ones, the real ones, the ones that could really work and the ones that have or shoul...