Davidde asked
2 week ago

Drain all the energy in one AA battery into a facepunching machine deliver one punch to a face. Whats the damage?

 
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  1. Easton says:

    If you consider a AA alkaline battery with 1.5V and 2800mAh (http://en.wikipedia.org/wiki/AA_battery), you might say the energy output is: E = 1.5V * 2800mAh * 60 mins/h * 60 seconds/min * 0.001 A/mA = 9360 W-s = 9360J In practical terms, that’s the same energy output from 60 defibrillator pulses! (http://en.wikipedia.org/wiki/Defibrilator). What does this simple electrical engineer conclude? You’ll fuckin’ die. EDIT I’m stupid. I didn’t multiply 60 enough times. 🙁

  2. Salvatore says:

    I think this belongs in r/askscience my friend.

  3. Nat says:

    Time for somebody to write a new request to Mythbusters. Somebody who isn’t me.

  4. Diane-Marie says:

    facepunching machines don’t kill people, AA batteries kill people.

  5. Jens says:

    This reminds me of an idea I have to make a gun using AA batteries. The idea works kind of like an air gun. Use the energy from the battery to super-heat some water into high pressure steam and use the pressure to fire the battery like a bullet 🙂 What could possibly go wrong ? Edit: don’t try this at home !

  6. Adalbjorg says:

    Good question, here’s the answer: http://i.imgur.com/5SOkb.jpg

  7. TIL I learned why battery is the same word as battery

  8. Leonard says:

    The damage? The cost of one AA battery.

  9. Binni says:

    really depends on the efficiency of the machine

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