Saturday, March 16, 2013

Tip of the Day #262: Aluminum Foil as an Antenna

If your DVD player is stacked on top of the TV (or vice versa) and the picture is fuzzy, the two electromagnetic fields may be commingling, confusing the signals. (This usually happens with plastic casings; with metal it's less likely.) Slip a sheet of foil between the machines to separate the fields.

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