Has anyone noticed that biology textbooks may be about to get turned completely upside-down?
http://www.cbc.ca/technology/story/2007/03/09/science-nervessound-20070309.html Should I be concerned about this? Strangely, no one is reporting on it even though it was published in a reputable journal. It will have rather far-reaching effects with respect
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> In humans, since AC is an alternating current, if a person is shocked by AC
>they will be seen to be shaking in sympathy with the frequency of the
>alternating current. If the current passes through the heart, by a person
>holding a live wire in their left hand and their right foot is in water and
>not their left, then there is a much greater chance the current will effect
>the pacemaker of the heart and possibly cause fibrillation (where the heart
>pumps little to no blood). DC current, tends to jolt the person with no
>shaking but still can have the same effect in that if the current runs
>through the heart it can have serious consequences. In both these
>situations the amount of current is of course very important.
>
>Amperage is the flow of the current and, when combined with voltage, is what
>causes the most damage. The greater the amperage, the greater the damage to
>tissue.
from http://www.newton.dep.anl.gov/askasci/gen99/gen99680.htm
not claiming to know much about electricity or biology but it sort of stands to reason.
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