Why the electricity in our bodies can’t power devices in our bodies (like a pacemaker).

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I was thinking about this today, and I’m sure I’m not the first.

But what are the limiting factors in being able to power electric devices inside our bodies with the currents that are created naturally by our own bodies?

Do we naturally not supply enough energy or enough surplus energy? Do we not have the interface technology? Is it even theoretically possible?

Seems like it could be a gamechanger to utilize ourselves as a power source instead of needing to replace devices batteries (like a pacemaker).

In: Biology

3 Answers

Anonymous 0 Comments

One thing that’s important to note is that there really isn’t much in the way of electrical *currents* flowing around our bodies. The actual flow of current, in real terms, is tiny. Like, on the order of microamperes. This is because electricity is not used by our bodies to move energy around to do work, electricity is just used to send signals around the body, and to trigger the release of other kinds of stored energy to actually do things. And you can send an electrical *signal* with almost no power at all.

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