
Where does the ball bearing go in retractable headphones?
The manual for the LG800G shows describes a "handsfree or stereo earphone connector." It requires a (larger than some) 3.5mm male plug.
http://wiki.answers.com/Q/Where_does_the_ball_bearing_go_in_retractable_headphones
How do you retract retractable headphones?
Try a little bit of Golden Syrup (see 'How do you remove grass stains?)
http://wiki.answers.com/Q/How_do_you_retract_retractable_headphones
How to Build a Ball Bearing Gun?
Hobby weapons that simulate real guns and rifles typically fire small ball bearings, or BBs. You can build your own gun to shoot a ball bearing at a target. You will need a few common household sup...
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http://www.ehow.com/how_6398013_build-ball-bearing-gun.html
How to Tell Whether a Ball or Roller Bearing Is Bad?
Ball and roller bearing help shafts and other parts rotate in vehicle components, motors and other equipment or machinery. They prevent direct contact between moving and non-moving components for e...
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http://www.ehow.com/how_8442881_tell-ball-roller-bearing-bad.html
Earthquake Ball Bearing Experiments?
Earthquake technology uses ball bearings to reduce friction in structures in an attempt to reduce damage during high-intensity shaking. Many experiments can be done in a classroom setting to simula...
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http://www.ehow.com/list_6825467_earthquake-ball-bearing-experiments.html