Welcome to the Official Guide to No Safety in Numbers. A biological bomb has just been discovered in the air ducts of a busy suburban mall. At first nobody knows if it's even life threatening, but then the entire complex is quarantined, people start getting sick, supplies start running low, and there's no way out. This is the ultimate guide to the book that started the series!
Electromagnets are used in things that have moving parts, eg. CD players, heads on Hard drives, automatic doors in a grocery store, electric windows, motors etc., Some examp â¦ les include: You can slide the bolts of locks and latches, tap out telegraphic dots and dashes, open and close switches in distant electric circuits.
Scientific/medical name(s): none. DESCRIPTION. Electromagnetic therapy involves the use of energy to diagnose or treat disease. Electromagnetic energy includes electricity, microwaves, radio waves, and infrared rays, as well as electrically-generated magnetic fields.agnets and other unconventional treatments may also be a part of electromagnetic and energy field therapy (see Crystals, Magnetic Therapy, Polarity Therapy, Reiki, and Therapeutic Touch). The most commonly used electronic devices are listed below.