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In patients with atrial fibrillation, electrical signals travel rapidly in an uncontrolled way, which causes convulsion, palpitation or contraction in the atria of the heart.
Other, heavier vehicles, such as trucks and buses, would use the remaining lanes, allowing the cars to travel rapidly and with no emissions.
As a technology, these have existed since 1987, but they've only just recently exploded in popularity, as mass access to the Internet allowed them to travel rapidly and virally online.
For those who are determined to travel rapidly, the jet plane makes much more sense economically, practically and environmentally.
Action potentials are triggered near the neurone's cell body and once produced travel rapidly through the massively branching structure of the nerve cell, along the way activating the synapses the nerve cell makes with the numerous other nerve cells to which it is connected.
Without the limitations of traditional stationary traps, which generally caught only mallards, blacks and wood ducks, airboat crews have been able to travel rapidly at the most opportune times to the Ipswich River in Topsfield one night - and 120 miles away on the Housatonic the next capturing blue-winged and green-winged teal, wigeon, pintail, hooded mergansers, coot, canvasbacks, ringnecks, rails and even herons and grebes.
He was, however, certain that the removal of Deacon Blues' wedding tackle had impacted favourably on the gelding's ability to travel rapidly in a straight line, and that proved the key to his success.