we have not received any reports of adverse effects or injuries to date. for example, think of a metal ring and a solid disk experiment. i discovered layers of it, which we all gave full vent to. we are waiting to talk to you! so, other devices can see it and be able to connect to it. in any event, your personal design must certainly be shown in the bit of outdoor ceiling fans for 7 foot ceilings that you pick. it can easily fit two 12” pizzas, two 9” x 13” casseroles, or two cake pans. this is what i have done so far. 