This will allow people to experience artificial gravity in space, which may be important for long-term missions to places such as Mars.

ECONOMIST: A plan to overhaul America��s space agency is long overdue

Two thousand years hence, Sherwood says hypothesized collections of Asteroidal materials congregating at the Earth-Sun L4 and L5 gravitational equilibrium points would make for building materials to construct a large rotating pancake disk capable of housing thousands of people in the comfort of a free-breathing atmosphere and some form of artificial gravity.

FORBES: Space Architecture And View Condos In Low Earth Orbit