when you wear headphones, natural air can not pass in your ear. so, the production rate of bacteria in your ear increase by 700%. That is why, it is said that "wearing headphones for just an hour will increase the bacteria in your ear by 700 time".
Exactly
"At the beginning of the experiment, the typical headset had 60 microorganisms on its surface; after an hour's use of the headphones by a volunteer, that number went up to 650 - roughly 11, not 700, times more. "
http://www.straightdope.com/columns/read/2740/does-wearing-headphones-increase-bacteria-in-the-ear
Wearing headphones for less than an hour will increase the bacteria in the ears insignificantly. If used for an hour or more, the bacteria in the ears increases by 700 times.
Wearing headphones for one hour will multiply the number of bacteria inside your ears 700 times!
Headphones aren't bad for your ears if you get the right ones... As long as they fit in your ears comfortably then they should be fine... However sleeping in your headphones is not a good idea at all... After falling asleep in my headphones I eventually grew a blister in my ear and it hurt really bad... Don't sleep in your headphones but as long as you get ones that fit comfortably they aren't bad for you
The headphones that are rated the highest for noise cancellation are Bose headphones. They are recommended for long flights and for times when you will want to cancel out outside noise.
This depends on the bacteria - some bacteria have generation times of less than an hour while other bacteria species have generation times of weeks or months.
Endlessly! Bacteria have been dividing since prehistoric times, some without changing.
If it's the hoodie buddie then turn it inside out. If its not just put the headphones on the inside of the jacket if possible. Then wash. If the Jacket has Headphones they are meant to be water proof.
The bacteria is 1 micrometer
Basic what happens. Is with longer on time duration (pulse) you get higher burn rate. But a correct balance of on and off times is how you keep from wearing the electrode more than the part.
Rome
__High__
To 'quadruple' something is to increase it fourfold