WiFI

What’s the US National Radio Quiet Zone?

Tucked away in a stretch of rural land in Virginia, West Virginia and Maryland, the radio quiet zone is 13,000 square miles of near-total electronic silence. What’s going on in this area where cellphones don’t work and microwaves are illegal? Tune in to learn more.

Free Wifi: Gambling with Your Privacy

Public wifi can be an enormously convenient thing -- it helps people dodge data charges in coffee shops, airports and other places around the globe. But how safe is it? Tune in to learn more.