Half a croissant, on a plate, with a sign in front of it saying '50c'
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hydrogen lighter

electrolysis of water
  (+6, -2)
(+6, -2)
  [vote for,
against]

I always hate it when my lighter runs out of whatever is in that damn thing. here's a solution that would allow you to simply fill it back up with water and some salt rather than run down to the store. When you press down on that red thing on the top it would activate the battery. This 1.5V battery and some small graphite rods could separate the hydrogen and oxygen from the water. Then you'd use the flint at the top to ignite them. I don't know if the flow of these gases would be enough to keep the flame going, but that's why this idea is half baked.

or would it just explode?

William II, Jun 29 2010

Oxyhydrogen blowpipe/torch http://en.wikipedia.org/wiki/Oxyhydrogen
Commercial version - well baked. [8th of 7, Jun 29 2010]

[link]






       It wouldn't "just" explode, but it would certainly have the potential to do so, hence [+] for dangerously inadvisable and reckless production of a stoic fuel/oxidiser system in a confined space and the presence of electricity.
8th of 7, Jun 29 2010
  

       I just let [8th] make these decisions for me, as he knows best!
xandram, Jun 29 2010
  

       Could the electrolysis function be incorporated into a base station of sorts, so that you can simply "charge" your lighter whenever it gets low?
Alx_xlA, Jun 29 2010
  

       ooo, being able to charge the lighter would be even better. Is there any way to keep the oxygen and hydrogen from forming Oxyhydrogen? because if so I might actually try and make this
William II, Jun 29 2010
  

       //...simply fill it back up with water and some salt rather than run down to the store.//   

       Wouldn't you have to run down to the store and get new batteries?
ldischler, Jul 03 2010
  

       [+] for totally inadvisable mixing of hydrogen, oxygen and sparks
AbsintheWithoutLeave, Jul 03 2010
  

       I'd like a lighter with the power of dihydrogen monoxide, but I am frightened about this chemical. Hundreds of people die every day around the globe by ingesting this!
Cedar Park, Jul 04 2010
  

       CP, surely di-H mono-O is more toxic when inhaled than when ingested, no?
goldbb, Jul 05 2010
  

       Excess of either is fatal.
Cedar Park, Jul 06 2010
  

       Excess of ether is fatal.
8th of 7, Jul 06 2010
  
      
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