But in practice they don't, because subtle mechanical effects distort the regularity of the oscillations.
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Which is why today's youngsters mostly can't be bothered with such mechanical contrivances.
But it wasn't known whether the trigger was mechanical ventilation or early inflammation due to gestational age, the authors of the latest study said.
Still, mechanical portraits and flat-toned reporting don't do much for decent blokes like Beaver, Gibbo, Dags and Steamer.
This type of color gel processing didn't take off in the early 20th century due to the mechanical complexity, and it would have been inferior to a chemical process since each frame carried only one-third of the full color information.
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He says he finished the design for the world's most precise mechanical watch six years ago, but just hasn't had the time to make it.
There's no mistaking the keys for those on a mushy membrane keyboard, but they aren't quite as firm or crisp-feeling as those a traditional mechanical keyboard like the Tactile Pro either.
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Personally, I would have fallen off the wagon with a huge crash last week and whooped it up on a mechanical bull nicknamed Tipper -- and if that didn't win Florida, forget about it.
In greyhound racing, dogs are lured around the track by a mechanical rabbit, but horse experts say the equine species isn't so easily motivated: "There is no way to teach a horse to chase a carrot, " said trainer Gary Contessa.
They could understand an astronomical problem but the very idea of a mechanical timekeeper that was so good was just too good to be true - they couldn't accept it.
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