how to make a homemade gadget - AA battery coffee warmer!

How it works: you know how electricity spreads through water? Well it spreads through coffee (which is mostly water) too! You use the earbud wire to create a nearly complete circuit with your battery, then use your coffee to complete the circuit. The coffee is less conductive and the electricity creates friction when it travels through the coffee, which is converted to heat! mmmm... warm coffee!

Never drink cold coffee again! Heat up your coffee in about five minutes using just a battery, a pair of earbuds and and a corn skewer! Totally new device to heat up coffee on the go. (You will also need electrical tape and scissors.)

Good for warming everything from Starbuck's to your local coffee shop and even your homemade brews. Works fastest with a full Styrofoam cup, black but works equally well with any coffee.

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[TheGiedow]

why use a earplug if you can use a piece of copper wire?

[StinkadoodlePie]

@TheGiedow Either way is fine, just most people don't have copper wire lying around. :-)

[ECWFilms]

Here are my questions

1. Does it heat up solids

2. Does it heat up other liquids or just coffee?

[StinkadoodlePie]

@ECWFilms I've only tried it on coffee, but it could easily work with, say, broth.

[gsxxxrk5]

how long does the battery life last?

[StinkadoodlePie]

@gsxxxrk5 Enough to heat several cups of coffee.

[Mayaghian]

has anyone else even thought of the battery getting too hot and exploding?

[the1guy2]

Fake!!!!!!!!!!!!!!!!!!!!!!!!! N n.

[dillinger9999]

I want to make a warmer to heat up water, this is called a stinger and i have seen this same thing done in jail along time ago. but i never saw it made though. I want to heat up a 5 gal. bucket of water. does anyone know how to do this using copper and stripped wire plugs in the safest way possible?

great video BTW

[66Ralphy99]

Don't worry - you won't get a shock from 1.5 volts! Could get hot in your pocket if it shorted out in there though! Also, think you made Oxygen & Hydrogen (Google electrolysis of water) so you might blow yourself up! Then again probably not enough to blow yourself up :-)

[wormroX74]

you kick ass. i love a smart woman!

[32CoolestDude]

Now i am gonna do this with Water

*Doing, Doing*

What the??!

Why do i have hydrogen and oxygen?

[anatrakya]

this thing is really effective!!

while i was watcing this vidmy computer screen got steaming !

[electronics740]

dick

[laserguy815]

ok lets not feed the hungry and just cut up a nice good pair of headphones we just spent some money on..... fair enough

[hydrosisgunner12]

thats why they invented the microwave:P

jk nice vid