Descriptive ethics will hence try to oversee whether ethics still holds its place. Because descriptive ethics involves empirical investigation, it is a field that is usually investigated by those working in the fields of evolutionary biology, psychology, sociology or anthropology. Information that comes from descriptive ethics is, however, also used in philosophical arguments.
To deactivate an ICD or alter pacemaker function, a magnet has to have a field strength of 10 gauss (a unit of magnetic strength) or greater next to the surface of the device. A magnet in a stereo speaker has a field strength of 100 gauss at the surface - but 0 gauss 6 inches away.
Reason: Magnetic fields dilate blood vessels and, hence, increase the flow of blood. It is not advisable to use magnets on a horse with a heart murmur or in the first trimester of pregnancy for you or your horse!! Note: People with heart pacemakers should not carry magnetic products.