NASA's new sleeping bags could prevent eyeball 'squashing' on the ISS
Why can&#x27;t we tether the spaceship that carries the astronauts with a separate spaceship that carries the cargo (that will be only needed on mars) via a set of long, thin cables (to act as a counterweight) and spin the two around their joint center of mass? That solves the problem of needing a really large ship to make the rotation not uncomfortable, and allows for artificial gravity