why can you touch both sides of a 9V battery, you can even do it with a wet tongue and hardly get shocked, but a taser with that same battery can knock you out?
In: Chemistry
Most batteries discharge their energy at a fairly slow rate. The battery might technically have the power to knock you out, but by itself it will only supply enough of that power to give you a little tickle.
A taser has capacitors in it, which are like short term batteries, they can store energy and release it a lot faster than a battery. So a taser basically takes all the power from the battery and puts it in a capacitor, and that capacitor releases all the energy at once, which is enough to hurt someone.
Edit: paper to power, lol.
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