Considering the costs and difficulties of sending extra mass along, maybe use another module instead of a counterweight. The crew can EVA between them or there could even be a connecting tube. If you use a rigid connector instead of tethers it will be easier to spin up and down. You can use an electric motor to spin up and maintain speed and possibly recapture the energy with a dynamo when spinning down.
Classic PA comic. The only time a webcomic has caused me to change my behavior (AFAIK).
Back to the point, they (?used to?) make drafting stools that are much more comfortable than a typical utilitarian bar stool. In my experience they almost all had backs, most had cushioned seats, and some of them had arm rests.
Backs and arms? Are you sure it was a stool?
His father was nominally Texan by virtue of using a Houston hotel as his official residence. W, however, spent most of his adult life in Texas.
The headline is referring to the article which says that, independent of other sources of rising sea levels, thermal expansion is already underway and won't reverse easily.
US emissions have fallen due to the recession and to the increased use of natural gas at the expense of coal. The former won't last, hopefully, but if the latter trend sticks it would be good.
New York... when civilization falls apart, remember, we were way ahead of you. - David Letterman
