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You shouldn't wear jewelry next to batteries because energy from the batteries can easily transfer through your jewelry then into your body being harmful to your body.
yes they will eventully run out. just normally i suppose
Batteries for watches vary according to the watch. Most batteries can be bought in jewelry stores or stores like Kohls on the jewelry department. They are not your typical AAA or AA batteries that you find everyplace.
Jewelry is usually made of highly conductive metals and could easily short across the battery terminals if the jewelry comes into contact with them.
Do the simple thing first. Replace the batteries in the keyfob. The batteries are available at any big box store and if they have a jewelry department they might change them for you.
Yes, if a nail is made of steel, it will will not be magnetized unless it is magnetized by a magnet by being hit.
The not magnetized rod will be attracted by both of the magnetized rods.
A simple gift idea that does not require the use of batteries is jewelry or books. Food is one, art supplies is another. It all depends on the type of person it is.
Domains in magnetized materials are all aligned in one direction - those in un-magnetized objects are arranged randomly.
In non magnetized material the domains are not ordered -they do not align with one another.
Domains in magnetized materials are all aligned in one direction - those in un-magnetized objects are arranged randomly.
A compass has a magnetized needle that can spin freely.