Many networks offer educational programming and information. See the Resources section of this Guide for descriptions of some of the services, both commercial and non-profit, that are of interest to educators. You should treat them as carefully as you'd treat your VCR, your CD player, or your cellular phone. Though diskettes are quite sturdy, they're not invulnerable. Even magnetic paper clip holders, stereo speakers, and some telephones can erase data from diskettes.
Temperature extremes are also harmful.
Parents or other stakeholders may raise these issues in the course of your technology planning efforts, and you may want to investigate the most recently published medical and scientific research in order to ease concerns and take any appropriate precautions. Some of the fears expressed may be without foundation in today's environment of highly tested and regulated machines, while others may have a real basis in fact. You need to be able to make the distinction clear to yourself and to others. Also, it is important to remember to treat computers and other equipment like the electrical devices they are, capable of delivering unpleasant shocks to you and damaging their expensive circuits. Turn all machines off and unplug them when you move them, clean them, or connect them together, as you would your television set, microwave oven, or any household appliance.