“Wait
a minute,” Kari said. “I thought they got their power from body
heat.”
“That,
I’m afraid, was a misconception.”
“How?”
Marc asked.
“Think
about it. Brownian motion needs fluid to work. When you take blood
out of a person, that blood cools, so the brownian motion slows.
This is just enough to where there is not enough power to recharge
the batteries in a nanite. In a body, the nanites don’t stop as
fast, as it takes time for a body to cool, but we’ve always looked
at the nanites in the absence of body heat. We thought they needed
the heat to work. In a way, they do, but that’s only because of
the viscosity of the blood.”
I
was starting to get it. “What if we cooled a body?”
“Even
freezing a body would probably not work. As soon as we revived the
person, the motion would start again. Just as we started working
again, so would they.”
“Well,
it was a thought,” I said.
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