But a shorter hitter might go for a harder ball, which spins less but goes farther.
The fifth floor also houses a "motion quadrant", which spins you like a gyroscope.
The male dog puts its paw on an articulated porcelain ball, which spins.
The flywheel, which spins up to 40,000 r.p.m., is mounted in the cockpit, next to the driver.
"It doesn't have a single stem like a traditional top, which spins on only one axis," Mr. Przybilla said.
The boiler tubes contain high-pressure hot water and steam that turn the turbine-generator, which spins to produce electricity.
And it may be Ms. Britton's job to keep bailing out the show, which spins along smoothly enough in Wednesday night's premiere but not without some danger signs.
As expected, the whip is the accretion disc, which spins an X-ray pulsar rather as a whirlpool might spin a raft.
And she's funny about herself, ripely amused by her own greedy yet guilty temperament, which spins through endless cycles of desire, anticipation, and regret.
The work is composed of a motorcycle and a very large cast-iron flywheel, which spins when the motorcycle engine is revved.
The problem is the cleaner head's "brush bar," which spins on a horizontal axis to loosen debris on floors so that the vacuum can suck it up.
