Only time keyboard SHOULD be attached to the screen! Otherwise, typical laptop configuration is undesirable. So if you have an iPad or other tablet computer, the on-screen keyboards are fine for brief use; but for other purposes, get a keyboard that can be positioned further from the screen. Being able to easily rearrange your screen and keyboard - and doing so often - is an ergonomic advantage!
"'You know what I think of? I think of Peter Fonda in 'Easy Rider' riding a chopper,' [Astronaut Michael] Massimino said of his preferred space toilet position, holding his arms up to grip the handles of an imaginary motorcycle. 'That's the right position for me.'" - from Space Potty Training Secrets Revealed by Astronauts | Space.com
Photo of "Space Shuttle toilet on display at the Johnson Space Center in Houston," 23 August 2002, by Svobodat
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