Earbud static: It's the heat, not the humidity

Summary: An Apple technical note appears to suggest that iPod users this summer should consider wearing cotton and avoiding hyper-air-conditioned rooms when exercising. If not, be prepared for a shock.

An Apple technical note appears to suggest that iPod users this summer might consider wearing cotton and avoiding hyper-air-conditioned rooms when exercising. If not, be prepared for a shock.

According to the note Apple Earbuds and static electricity, users of any portable electronic device with earbuds can receive a "small electrostatic discharge from the headphones" in a place, indoors or outdoors, where the air is very dry.

To minimize the risks of electrostatic discharge from the headphones, avoid using the headphones in extremely dry environments or touch a grounded unpainted metal object before inserting the headphones. Static electricity can be controlled by a number of different methods.

Indoors Try raising the moisture level in the air of the local environment by using a portable humidifier or adjusting the humidity control on your air conditioner.

There are a number of anti-static sprays that can be sprayed into the air that can be used to reduce static.

If you have dry skin, try anti-static hand lotion.

Try wearing different clothes. Try clothes with natural fibers since synthetic fibers are more likely to hold a static charge.

Outdoors Try to keep your device out of the wind by using a case, or leaving it in your bag or pocket.

Avoid removing your device from your pockets frequently as rubbing the device on certain materials can cause a static build up.

Right, I'm sure that iPod users will wear antistatic wristbands to avoid a shock. I've never experienced this static phenomena, although I admit that I'm a schvitzer, who naturally raises the moisture level in my local environment. For once, this is useful!

Topic: Emerging Tech

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15 comments
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  • iShocked iSheep...gotta` love it :D (nt)

    (nt)
    Soulstorm
    • BAA! BAA!

      Maybe you could make a song from this title.
      phatkat
  • It does happen

    You know it if when it happens - I get this regularly at university due to their air con and my iPhone use.
    Doesn't hurt - but is a nasty surprise that makes earthing something that's useful to do prior to popping the headphones in.
    t0mt0m
  • wearing cotton?

    Where did you get this wearing cotton while doing sports thing? It's no where mentioned in the article and, any person who has ever done any endurance sport knows that cotton is about the worst thing you can wear.
    patibulo
    • "It's no where (sic) in the article..."

      The article contains a link, and if you had followed that you'd have read
      the following:

      "Clothes made with synthetic fibers (like nylon) can easily become
      charged with static electricity."
      msalzberg
      • smart a$$

        First, thanks for correcting my English. As a non-English speaker I really appreciate that. Next time I write some essay in English I will send it to you for correction.

        As for your comment, I did read the article. Just because it says that you should avoid synthetic fibers, this doesn't mean that you should use cotton, as the post explicitly said.

        So no need to be such as smart a$$. Calm down dude. Say something constructive instead of trying to show other people's mistakes with an arrogant tone.
        patibulo
        • Name a non-synthetic fabric...

          used in exercise clothing. Cotton and ....?

          By the way, as a little lesson in English, it's conventional and proper to
          use (sic) when quoting something that has an error. Actually, it should
          be [sic], so I was wrong, as well.
          msalzberg
          • wool

            Smartwool and Merlino wool are commonly used in exercise and sports
            clothing
            Tigertank
    • Correct

      I used to work in Colorado Springs and used the gym at the office and you cannot really and practically wear pure cotton in workout conditions. Cotton just soaks up the sweat you are generating and keeps you from cooling down so your body just produces more sweat and he cycle continues. There are some cotton mixtures with other synthetic materials will do good in most situations but the static shock factor goes up so you have to take some risk in life. However, static shock is not deadly but annoying and sometimes painful.
      Also wearing all cotton doesn't necessary protect your from all static build up since I still get shock wearing a pure cotton T-shirt and jeans under right conditions.
      phatkat
  • Another good protective measure

    are the thin foam pads that used to come with the earbuds. you can find perfectly suitable replacements for very low cost at Radio Shack. Also the Apple Store, some music stores, and mmany Wal-Marts and Targets seem to carry these, though they don't always have them in stock. the replacement brands also tend to tay on the earbuds better than the Apple ones ever did.

    sorry about the e.e. cummings style, but there seems to be a problem with my shift key and i'm not double tapping caps lock for this.
    use_what_works_4_U
    • Not necessary.

      Insulating yourself doesn't necessary stop static shock. Matter of fact, it may make things worst under the right conditions. Static electricity is generated by a conductor rubbing against a non-conductor so you trying to insulate yourself may itself generate static electricity with the conductor of the earbud/earphone. The best way to prevent static electricity is dissipate it by making you, clothing and your equipment (in this case iPod earbud/earphone) to be the same electrical potential.
      Here are some links about static electricity:
      http://www.school-for-champions.com/science/static_generating.htm
      http://www.electrostatics.com/page2.html
      phatkat
  • Use 3rd party earbuds

    I never did like the earbuds that came with it, never fit my ears correctly.
    xXSpeedzXx
    • It doesn't matter.

      I've been through at least 30 different types and manufactures of earbud/earphones since my first iPod in 2002 and each one, under the right conditions, will give a shock to my ear. Before that I had a several Sony Walkman's and that also, under the right conditions, will give a shock to my ears.
      Unfortunately, this is a physics problem and not necessary can be designed or manufactured out.
      My best place for getting shocked in high & dry places like Reno, NV or Colorado Springs, CO. When I was in working in Colorado Springs and several times a day I would get an shock from either the iPod or Walkman I was using at that time. I would get shocked regularly just walking between offices just by touching the door knobs or other metal objects.
      I did find that certain clothing was worst than others but no clothing I tried didn't totally stopped static shock. Worst clothing is a wool suit and best (at least what in my wardrobe) is cotton shirt and jeans.
      phatkat
  • good idea about headphones

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